公开(公告)号：US4386045A

公开(公告)日：1983-05-31

申请号：US267489

申请日：1981-05-27

Applicant: Voitto Vaisanen

Inventor： Voitto Vaisanen

IPC: B29C57/02 ,  F16L47/08 ,  B29C1/00 ,  B29C17/07 ,  B29D3/00

CPC classification number: F16L47/08 ,  B29C57/025

Abstract: A method and an apparatus for manufacturing the socket portion of a plastics pipe provided with a sealing ring by pushing said sealing ring on a mandrel and by locking it thereto whereupon the heated end of said plastics pipe is pushed onto said mandrel and said sealing ring. Hereafter, the locking of said sealing ring is released, and the pipe and the ring therein a removed from the mandrel.In order to facilitate this removal operation, a mandrel having an adjustable diameter is used, the mantle surface of said mandrel being provided with peripheral grooves into which shoulders in said sealing ring fit for locking said ring to said mandrel for the duration of the socket forming.

Abstract translation: 一种用于制造塑料管的插座部分的方法和装置，其通过将所述密封环推在心轴上并将其锁定而设置有密封环，随后将所述塑料管的加热端推到所述心轴和所述密封环上。 此后，释放所述密封环的锁定，并且其中的管和其中的环从心轴移除。 为了便于该去除操作，使用具有可调节直径的心轴，所述心轴的套套表面设置有周边槽，所述密封环中的肩部适于在所述套筒成形期间将所述环锁定到所述心轴上 。