초록 ▼

The present invention relates to a pipe fitting comprising a cylindrical body, a radially deformable locking piece, a seal and a compression ring which is maintained fast with the body, while being free to slide axially with respect thereto. The ring defines with the body an annular space in which t

The present invention relates to a pipe fitting comprising a cylindrical body, a radially deformable locking piece, a seal and a compression ring which is maintained fast with the body, while being free to slide axially with respect thereto. The ring defines with the body an annular space in which the seal and the locking piece are maintained fixed so that the fitting forms a unit.

대표청구항 ▼

A pipe fitting for securing a pipe having a smooth end to another part, said fitting comprising a hollow cylindrical body with an axially extending bore, said body having an axially forward end and an axially opposite rearward end and having means thereon at said forward end for securing it to said

A pipe fitting for securing a pipe having a smooth end to another part, said fitting comprising a hollow cylindrical body with an axially extending bore, said body having an axially forward end and an axially opposite rearward end and having means thereon at said forward end for securing it to said other part including means for forcing said body in the axial direction toward said other part, and a sealing member and a locking member within said bore, each said sealing member and said locking member haviNg a central opening substantially equal in size to the outer size of said pipe for receiving and engaging said smooth end of said pipe, said sealing member being compressible and intermediate said forward and rearward ends for sealing said body to said pipe, said locking member being radially deformable by axial pressure thereon for locking said body on said pipe and being intermediate said forward and rearward ends, said body having an inwardly extending portion at the rearward end thereof engageable with one of said locking member and said sealing member for preventing rearward axial movement of said one member, said inwardly extending portion having a central opening therein substantially equal in size to the size of the central opening in said locking member but larger than the outer size of said pipe to permit said pipe to pass through said central opening in said inwardly extending portion, and a compression member having a through-bore at least equal in size to said outer size of said pipe slidably mounted in said bore adjacent said forward end and intermediate said locking and sealing members and said forward end for engagement with said other part upon securing said pipe to said other part thereby to cause said compression member to move axially rearwardly of said body as said body is forced toward said other part, said compression member axially compressing said sealing and locking members as said compression member moves axially rearwardly and the wall of said bore and said compression member having cooperating and interengaging means permitting said compression member to slide axially by an amount sufficient to compress said sealing and locking members but limiting forward axial movement of said compression member to within said bore.