Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Cutter control
Patent
1978-08-21
1979-11-27
Hoag, W. E.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Cutter control
425143, 425163, 425164, 425297, 425392, 425394, B29C 1700, B29C 2400
Patent
active
041759176
ABSTRACT:
Apparatus for forming an integrally formed thermoplastic conduit and washer for being connected with a second conduit by way of conventional fitting, characterized by means for of inserting a guide pin within the tubing so as to maintain a predetermined internal diameter within the tubing and washer; emplacing a mold about the guide pin and tubing to hold the tubing, the mold having a washer cavity to define the exterior dimensions and form of the washer with the tubing extending about the guide pins and into the washer cavity; means for heating at least the outer most portion of the wall of the tubing that is within the washer cavity to its softening temperature and means for compressing the softened tubing walls longitudinally of the pin to accordion pleat the walls into a washer having an exterior film thereabout and having the accordion pleated walls therewithin to have an inherent springiness that readily effects sealing interconnection with another conduit shape and that frictionally holds a tightened fitting in place.
REFERENCES:
patent: 3089190 (1963-05-01), Branham
patent: 3496598 (1970-02-01), Young et al.
patent: 3553780 (1971-01-01), Kuhlemann
patent: 3773456 (1973-11-01), Salz et al.
patent: 3920373 (1975-11-01), Brown
patent: 4005968 (1977-02-01), Crawford
patent: 4008028 (1977-02-01), Ronden et al.
patent: 4087225 (1978-05-01), Wolcott
LandOfFree
Apparatus for forming integral tubing and washer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for forming integral tubing and washer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for forming integral tubing and washer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-801223