专利摘要:
A pipe coupling formed by a tubular plastic member having at one end a portion of increased diameter defining an inwardly facing annular recess, and an annular sealing ring bonded therein by a foot portion substantially filling the recess and having a sealing head portion projecting partway across the interior of the coupling and secured to such foot portion by a neck portion. The seal ring configuration lends itself to injection molding of the assembly.
公开号:SU743597A3
申请号:SU772467851
申请日:1977-04-06
公开日:1980-06-25
发明作者:Бенджамин Глоувер Джон;Аптон Джон
申请人:Дзе Хепворт Айрон Компани Лимитед (Фирма);
IPC主号:
专利说明:

(54) PIPE CLUTCH
The invention relates to mechanical engineering and, in particular, to devices for connecting pipes used as drain pipes, for drains, for cable laying, etc. The known tubular coupling, comprising a cylindrical body of plastic material and mounted at its ends, sealing collars perpendicular to the walls of the body. A disadvantage of the known coupling is the complexity of assembling the coupling with connectable elements. With the purpose of providing ease of assembly, in a pipe coupling containing a cylindrical body made of plastic material: the series and mounted at its ends perpendicular to the walls of the case sealing collars, annular grooves are placed on the inside surface of the case, and the sealing flange placed between them The sleeves are made in the form of a support base mounted in the groove and connected to it by means of a spherical head lintel. At the same time, the internal diameter of the portion of the support base from the side of the body is larger than the diameter of the portion of the base facing the limiting flange. FIG. 1 shows a pipe coupling, general view; in fig. 2 and 3 - wah-. Ryan fasteners clip in the case. The coupling comprises a cylindrical body 1 of plastic material, on the ends of which there are mounted sealing sleeves 2, -consisting of the support base. 3, bridges 4 and a spherical head 5. A limiting flange 6 is made on the inner surface of the body, a flange 7 forming an annular groove 8 under the supporting base 3 at the end of the body. The diameter of the section 9 of the supporting base from the end of the body is larger than the diameter of the section 10, facing the limiting flange. The sealing sleeves 2 can be connected to the housing using an annular roller 11 formed on the base of the annular groove 8 of the housing. This connection can be carried out using a black tail 12 or an axial protrusion 13 on the flange 7. Preferably, the body 1 and the sealing ring 2 are made of
thermoplastic highly elastic materials.
权利要求:
Claims (2)
[1]
1. A pipe coupling containing a cylindrical body of plastic material and mounted at its ends perpendicular to the walls of the casing, seals the outer cages, characterized in that, in order to ensure ease of assembly, annular grooves are made on the inner surface of the cylindrical case and placed between them
the limiting flange, and the sealing collars are made in the form of a support base mounted in the groove and connected to it by means of a spherical head jumper.
[2]
2. Coupling POP.1, characterized in that the inner diameter of the portion of the support base from the end face of the body is larger than the diameter of the portion of the base facing the limiting flange.
Sources of information taken into account in the examination
1. US patent No. 3163432, cl. 277-209, 1964.
.CHNC
FIG. 2
Fig.Z
类似技术:
公开号 | 公开日 | 专利标题
SU743597A3|1980-06-25|Pipe coupling
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NO136424C|1977-08-31|PROCEDURES FOR MANUFACTURING SYNTHETIC PLASTIC WOOD CONNECTION SLEEVE
FR1289129A|1962-03-30|Trim ring
同族专利:
公开号 | 公开日
FR2347172A2|1977-11-04|
CA1069152A|1980-01-01|
FR2347172B2|1982-11-12|
GB1572099A|1980-07-23|
IT1126789B|1986-05-21|
DD134214A6|1979-02-14|
ES457651A2|1979-10-01|
SE7703965L|1977-10-07|
NZ183805A|1979-06-08|
FI771113A|1977-10-07|
BE853292R|1977-10-06|
BR7702228A|1978-01-17|
AU2405677A|1978-10-12|
IE44666L|1977-10-06|
FI68189C|1985-08-12|
ES238508U|1979-05-16|
JPS52151351A|1977-12-15|
US4173362A|1979-11-06|
DE2715525C2|1986-04-30|
NL7703767A|1977-10-10|
IE44666B1|1982-02-10|
ZA772138B|1978-11-29|
NL184264C|1989-06-01|
DE2715525A1|1977-10-20|
JPS6159894B2|1986-12-18|
FI68189B|1985-04-30|
ES238508Y|1979-12-16|
AU509881B2|1980-05-29|
DK150077A|1977-10-07|
CS213302B2|1982-04-09|
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
GB13936/76A|GB1572099A|1976-04-06|1976-04-06|Manufacture of pipe couplings|
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