• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    REPLACABLE SHAVING SET AND SHAVING METHOD Shaving kits are disclosed that include a blade unit, an interface element configured to connect the blade unit to a handle, on which the blade unit is pivotally mounted, and a return element between the blade unit and the interface element. The return element serves as an interface piece, connector and pivot, all in one. Shaving systems including such shaving sets are also disclosed, as are methods of using such shaving systems.
    公开号:BR112015006846B1
    申请号:R112015006846-4
    申请日:2013-07-25
    公开日:2021-01-19
    发明作者:John W. Griffin；Craig A. Provost；William E. Tucker
    申请人:Shavelogic Inc；
    IPC主号:
    专利说明:

    RELATED REQUESTS
    [001] This application claims priority for US Serial No. 13 / 929,340, filed on June 27, 2013, and Serial No. US Provisional Application 61 / 706,523, filed on September 27, 2012. Full disclosure of these orders is hereby incorporated by reference into this document. FUNDAMENTALS
    [002] The invention relates to shaving systems with replaceable handles and blade units. Shaving systems often consist of a handle and a replaceable blade unit on which one or more blades are mounted on a plastic housing. After the blades in a blade unit become blind from use, the blade unit is discarded and replaced on the handle with a new blade unit. Such systems often include a swivel attachment between the blade unit and the handle, which includes an impeller and follower configured to provide resistance during shaving and return the blade unit to a "rest" position when not in contact with the user's skin. SUMMARY
    [003] In general, the present disclosure concerns shaving systems and replaceable shaving kits for use in such systems. The systems include a flexible return element, for example, of an elastomeric material, which provides the resilience and return force that is often provided by an impeller and follower mechanism in state-of-the-art shaving systems.
    [004] In one aspect, the invention features a replaceable shaving set that includes a blade unit and an interface element configured to removably connect the blade unit to a handle, on which the blade unit is mounted articulable. The interface element includes rigidly spaced portions connected by a flexible return element, the return element providing a rotating connection between the blade and handle element.
    [0005] Some implementations include one or more of the features. A handle interface element configured to receive the handle can extend from one of the rigid portions, and a blade unit interface element configured to be mounted on the blade unit can extend from the other rigid portion. The return member may comprise two spaced elastomeric members that extend in a direction generally perpendicular to a longitudinal axis of the blade unit, and each of the elastomeric members may connect a pair of rigidly spaced portions. The return member can be configured to tilt the blade unit towards a resting position with respect to a pivot axis that is generally parallel to a long axis of the blade unit, and is preferably pre-tensioned. The return element can be formed of an elastomeric material, for example, a thermoplastic elastomer or thermoplastic urethane. The return element is generally molded on the interface elements, for example, by an overmoulding process. In some cases, the return element includes two portions generally H-shaped. The rigid portions include corresponding protrusions, which extend towards each other and are integrated into the return element. In some cases, fastening areas are provided on the projections, for example, holes through which the elastomeric material of the return element can flow during overmoulding.
    [0006] In another aspect, the invention features a shaving system that includes a handle with a distal end and a proximal end, and a shaving set, mounted on the distal end of the handle, the shaving set including a configured interface element to connect the blade unit to a handle, and a blade unit that is pivotally mounted on the interface element. The interface element includes a pair of rigidly spaced portions connected by a flexible return element, the return element providing an articulable connection between the blade element and the handle.
    [0007] Some implementations of this aspect may include any one or more of the features discussed above with regard to the shaving set. In some cases, the shaving set is removably mounted on the handle via the interface element and is replaceable.
    [0008] The invention also features shaving methods. For example, in one aspect the invention features a shaving method comprising skin contact with the blade unit of a shaving system comprising a handle having a distal end and a proximal end, and a replaceable shaving set that includes a unit blade, and an interface element configured to removably connect the blade unit to a handle, on which the blade unit is pivotally mounted, the interface element comprising a pair of spaced rigid portions connected by an elastomeric element, the elastomeric element providing an articulated connection between the blade element and the handle. DESCRIPTION OF THE FIGURES
    [0009] FIG. 1 is a perspective view of a shaving system assembled according to an embodiment.
    [00010] FIG. 2 is a rear plan view of the mounted shaving system.
    [00011] FIG. 3 is a side plan view of the mounted shaving system.
    [00012] FIG. 4 is an exploded view of the shaving system.
    [00013] FIG. 5 is a view of the handle interface element, the return element, and the blade unit interface element of the shaving system shown in FIG. 1.
    [00014] FIG. 5A is a view of the handle interface element and the blade interface element.
    [00015] FIG. 5B is a perspective view of the handle interface element, blade interface element, and handle, with the return element omitted to show the spacing between the handle interface element and the blade interface element.
    [00016] FIG. 6 is a perspective view of the handle interface element, the return element, and the blade unit interface element.
    [00017] FIGS. 7 and 8 are alternate views of the blade interface element, the return element, the blade unit interface element, and the blade unit housing.
    [00018] FIG. 9 is a perspective view of a shaving system according to an alternating embodiment.
    [00019] FIGS. 10 and 10A are enlarged perspective views of the handle interface element, the return element, the blade unit interface element, and the razor blade unit shown in FIG. 9.
    [00020] FIG. 11 is a perspective view of the handle interface element, the return element, and the blade unit interface element.
    [00021] FIG. 11A is a view of the handle interface element and the blade interface element.
    [00022] FIG. 12 is a perspective view of the handle interface element, the blade unit interface element, and the return element, taken from the opposite side.
    [00023] FIG. 13 is a series of diagrammatic views illustrating how the blade unit angle with respect to the handle is measured.
    [00024] FIG. 14-14A are seen in perspective of a modality in which the shaving set is designed to be permanently attached to the handle. DETAILED DESCRIPTION
    [00025] The present disclosure generally refers to consumer products and, in particular, shaving systems with interchangeable blade units. In one embodiment, the present disclosure features a reusable consumer product system having an interchangeable articulated blade unit, which includes a return element. For example, the present disclosure could include a system having a blade unit attached to a handle in part by elongated elastomeric members that provides the resistive and return force generally provided by an impeller / follower assembly.
    [00026] FIG. 1 shows a shaving system 10 that includes a handle 12, a handle interface element 14, a return element 16, a blade unit interface element 18 and a blade unit 20 that includes a plurality of blades 22. Articulation of the blade unit 20 is about an axis that is generally parallel to the long axis of the blade unit and is generally positioned to allow the blade unit 20 to follow the contours of a user's skin during shaving. Generally, the handle interface element 14, the return element 16, the blade unit 18 and blade unit 20 interface element are sold to the consumer as an integrated replaceable shaving set. Preferably, the angle of the blade unit 20 with respect to the handle 12 is 65 °, but can vary from approximately 15 ° to 105 ° (FIG. 13).
    [00027] Referring to FIG. 4, the blade unit 20 is mounted on a blade unit interface element 18 by positioning a pair of handles 30 that extend from the blade unit interface element 18 to the receiving holes 35 in the blade unit 20. Receiving holes 35 can be integrally molded with the blade unit 20. In addition, the blade unit interface element 18 includes tips 25A and 25B (FIG. 6) that serve as complementary attachment points for the unit of blade 20. The blade unit pivot stop 32 is integrally formed with the blade unit 20 and generally extends perpendicular to the long axis of the blade unit 20. The blade unit pivot stop 32 limits the pivot of the unit blade 20.
    [00028] Referring to FIG. 5A, the handle interface element 14 is made up of a handle interface portion 26 and two projections 27A and 27B. The projections 27A and 27B generally extend perpendicularly to the long axis of the handle interface portion 26. The blade unit interface element 18 has two projections 19A and 19B that correspond to or align in a similar plane as the two projections 27A and 27B on the handle interface portion 26.
    [00029] Referring to FIGS. 5-7, the handle interface element 14 is flexibly joined to the blade unit interface element 18 by the return element 16. The return element 16 consists of a pair of elongated elastomeric members 116A and 116B, which connect protrusions 19A and 19B to projections 27A and 27B. The return element 16 serves as a hinge and provides resistance during shaving, limiting the free articulation of the blade unit around the hinge axis described above. In addition, the return element 16 provides a return force that tilts the blade unit 16 towards its resting position, in the same way that the resistance and return force are typically provided by an impeller / follower assembly.
    [00030] Referring to FIG. 8, the elongated members 116A and 116B are pre-tensioned when the blade unit is in its resting position by bending the elastomer over the blade unit. This pre-tension is the result of the angle at which the components are molded and the geometry of the return element, which are selected so that when the interface element is mounted on the blade unit, the return element is pre- tensioned. Pre-tension provides a resistance force so that a load is applied as soon as the user begins to shave, balancing the blade unit.
    [00031] The return element 16 can be integrally molded with the handle interface element 14 and the blade unit interface element 18, for example, by forming the elastomer with the rigid plastic (s) ). It is noted that the term "comolding", as used in this document, includes transferring the molding and other techniques suitable for molding two or more different materials into a single part. Molding is facilitated by an opening 29 in the handle interface element 14 through which the elastomeric material can be injected so that it molds around the ridges 27A and 27B shown in FIG. 5A. Preferably, during forming, there is a gap 31 (FIG. 5B) between the blade unit interface element 18 and the handle interface element 14. This gap allows the two elements to be flexibly joined by the elastomer. In some implementations, the gap is 1 mm to 15 mm, preferably about 3 to 10 mm. Shaping the return element 16 in this way results in an elastomeric fastener 24, which fills the opening 29. Thus, molding can be a three-trial process in which the interface elements are first cast in two separate trials, followed by the elastomer .
    [00032] The return element 16 can be formed, for example, from natural or synthetic rubber materials. Suitable materials are well known in the shaving technique, and include thermoplastic elastomers, for example, polyether based thermoplastic elastomers (TPEs) available from Kraiburg HTP, thermoplastic urethanes (TPUs), silicones, vulcanized polyether based thermoplastic elastomer ( TPVs) available from GLS PolyOne Corporation under the trade name Santoprene ™. The elastomeric material is selected to provide a desired degree of restorative strength and durability. In some implementations, the elastomer has a Durometer of less than about 90 Shore A, for example, about 18 to 80 Shore A, preferably about 30 to 60 Shore A.
    [00033] The return element 16 is designed in such a way that its geometry provides an applied load as mounted that is sufficient to overcome the friction of the system at rest (pre-tensioned load), typically at least 5 grams, for example, 5 at 30 grams, and a charge during shaving starts from about 10 to 100 grams.
    [00034] Handle 12 provides a way in which the shaving system can be manipulated and leverage can be applied to achieve desirable shaving results. Referring to FIG. 4, the handle 12 can be designed to interact with the handle interface element 14 in such a way that it would allow for easy removal and attachment. This could be accomplished in a number of ways, such as a mechanical locking mechanism, magnetic interaction, etc. For example, the handle interface element 14 and the handle 12 can interact in the manner discussed in Serial No. US 61 / 651,732, deposited on May 25, 2012, the full disclosure of which is hereby incorporated by reference.
    [00035] The handle 12, blade unit 20, blade interface element 18, and handle interface element 14 can be made of any suitable material including, for example, polyethylene terephthalate (PET or PETE), high density PETE (HD), thermoplastic polymer, polypropylene, oriented polypropylene, polyurethane, polyvinyl chloride (PVC), polytetrafluoroethylene (PTFE), polyester, high-gloss polyester, metal, synthetic rubber, natural rubber, silicone, nylon, polymer, antibacterial materials or suitable antimicrobials, insulating, thermal or other sustainable or biodegradable materials, or any combination thereof.
    [00036] FIGS. 9-12 show a shaving system 55 according to another embodiment. In this embodiment, the return element 65 includes a pair of elastomeric members 66A, 66B each of which is formed in the shape of an "H." As was the case in the embodiment shown in FIG. 1, the return element 65 provides an interface, connector and pivot piece, all in one. The other aspects of the return element 65, the handle interface element 60, the blade unit interface element 70, the gap 71, and the blade unit 75 are the same as those in the aforementioned embodiment. As discussed above, the elastomer can be molded with, or overmoulded, on the blade unit interface element and the handle interface element. The flow path 141 of the elastomer is shown in FIG. 12.
    [00037] Also, while removable shaving sets have been discussed above, in some implementations the shaving system is designed to be disposable as a whole. In such cases, the shaving set is attached to the handle in a manner that is not intended for removal by the consumer, for example, by fixed mounting of the interface element at the distal end of the handle. This can be accomplished, for example, by engaging corresponding mechanical locking features on the handle and interface element 144, by welding (for example, ultrasonic probe), by molding the interface element integrally with the handle, or by any other means. desired assembly technique. An example of a disposable shaving system 100 is shown in FIG. 14, and the shaving kit for such a system is shown in FIG. 14A. In that case, the handle 112 includes projections 150 (only one of which is shown, the other being on the opposite side of the handle), and the interface element includes corresponding locking indents 152.
    [00038] Several modalities have been described. However, it will be understood that several changes can be made without deviating from the spirit and scope of the disclosure.
    [00039] For example, in some embodiments, through holes are provided in the portions of the interface elements on which the elastomer is molded. These holes extend in the direction of mold action, so that the elastomer flows through the holes, thereby fixing the elastomer in place at the underlying interface elements. Alternatively, other fixation techniques can be used.
    [00040] Suitably, other modalities are within the scope of the following claims.
    权利要求:
    Claims (15)
    [0001]
    1. Replaceable shaving set, FEATURED by the fact that it comprises: a blade unit (20); and an interface element configured to removably connect the blade unit to a handle (12), on which the blade unit (20) is pivotally mounted, the interface element including a portion configured for magnetic interaction with a corresponding portion of the handle (12), the interface element comprising (a) a portion of the handle interface (26), having a body configured to receive a distal end of the handle, and at least one rigid protrusion extending from the body, (b) a blade unit interface portion (20) including at least a second rigid protrusion, and (c) a flexible elastomeric return member joining the opposite ends of the first and second rigid protrusions and thus flexibly joining the handle interface portion (26) to the blade unit interface portion (20), wherein the ends of the first and second rigid protrusions are positioned facing each other in opposite spatial relation so that a longitudinal axis of the second rigid protrusion is generally collinear with a longitudinal axis of the first rigid protrusion.
    [0002]
    2. Shaving set according to claim 1, CHARACTERIZED by the fact that the return element (16) comprises two spaced elastomeric members that extend in a direction generally perpendicular to a longitudinal axis of the blade unit (20) , the shaving set comprising two first rigid protrusions and two second rigid protrusions, and one of the elastomeric members connects one of the first rigid protrusions to one of the second rigid protrusions and the other elastomeric member connects the other first rigid protrusion to the other second rigid protrusion.
    [0003]
    3. Shaving set according to claim 1, CHARACTERIZED by the fact that the return element (16) is configured to tilt the blade unit (20) towards a resting position with respect to the shaving axis articulation which is generally parallel to a long axis of the blade unit (20).
    [0004]
    4. Shaving set according to claim 1, CHARACTERIZED by the fact that the return element (16) is pre-tensioned.
    [0005]
    5. Shaving set according to claim 1, CHARACTERIZED by the fact that the return element (16) comprises a thermoplastic elastomer or thermoplastic urethane.
    [0006]
    6. Shaving set according to claim 1, CHARACTERIZED by the fact that the return element (16) is molded on the spaced rigid protrusions.
    [0007]
    7. Shaving set according to claim 1, CHARACTERIZED by the fact that the return element (16) includes two portions usually in the shape of H.
    [0008]
    8. Shaving set according to claim 1, CHARACTERIZED by the fact that the first and second rigid protrusions extend towards each other and are integrated into the return element (16).
    [0009]
    9. Shaving system (10, 55), FEATURED by the fact that it comprises: a handle (12, 112) having a distal end and a proximal end; and a shaving set, as defined in any one of claims 1 to 8, mounted at the distal end of the handle, the shaving set including an interface element configured to connect the blade unit to the handle (12, 112), and a blade unit (20, 70) which is pivotally mounted on the interface element, the interface element including a portion configured for magnetic interaction with a corresponding portion of the handle (12, 112), the interface element comprising (a) a portion handle interface (26), having a body configured to receive a distal end of the handle, and at least one rigid protrusion extending from the body, (b) a blade unit interface portion (20, 70) including at least a second rigid protrusion, and (c) a flexible elastomeric return member joining the opposite ends of the first and second rigid protrusions and thus flexibly joining the handle interface portion (26) to the interface portion blade unit ace (20, 70), in which the ends of the first and second rigid protrusions are positioned facing each other in opposite spatial relation so that a longitudinal axis of the second rigid protrusion is generally collinear with a longitudinal axis of the first rigid protrusion.
    [0010]
    10. Shaving system (10, 55), according to claim 9, CHARACTERIZED by the fact that the return element (16, 65) comprises two spaced elastomeric members that extend in a direction generally perpendicular to a longitudinal axis of the blade unit (20, 70), the shaving set comprising two first rigid protrusions and two second rigid protrusions, and one of the elastomeric members connects one of the first rigid protrusions to one of the second rigid protrusions and the other elastomeric member connects to the other first rigid protrusion to another second rigid protrusion.
    [0011]
    11. Shaving system (10, 55) according to claim 9, CHARACTERIZED by the fact that the return element (16, 65) is configured to tilt the blade unit (20, 70) towards a position at rest with respect to a pivot axis that is generally parallel to a long axis of the blade unit (20, 70).
    [0012]
    12. Shaving system (10, 55), according to claim 9, CHARACTERIZED by the fact that the return element (16, 65) is pre-tensioned.
    [0013]
    13. Shaving system (10, 55), according to claim 9, CHARACTERIZED by the fact that the return element (16, 65) comprises a thermoplastic elastomer or thermoplastic urethane.
    [0014]
    14. Shaving system (10, 55), according to claim 9, CHARACTERIZED by the fact that the return element (16, 65) includes two portions usually in the shape of H.
    [0015]
    15. Shaving system (10, 55), according to claim 9, CHARACTERIZED by the fact that the rigid protrusions extend towards each other and are integrated into the return element (16, 65).
    类似技术:
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    US20180326607A1|2018-11-15|
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    US20140083265A1|2014-03-27|
    IN2015DN03232A|2015-10-02|
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    US9486930B2|2016-11-08|
    KR20150060785A|2015-06-03|
    EP2900437A1|2015-08-05|
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    法律状态:
    2019-01-29| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-02-05| B25G| Requested change of headquarter approved|Owner name: SHAVELOGIC, INC. (US) |
    2019-12-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-07-14| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2020-11-10| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-01-19| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/07/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201261706523P| true| 2012-09-27|2012-09-27|
    US61/706,523|2012-09-27|
    US13/929,340|2013-06-27|
    US13/929,340|US9486930B2|2012-09-27|2013-06-27|Shaving systems|
    PCT/US2013/052095|WO2014051841A1|2012-09-27|2013-07-25|Shaving systems|
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