Apparatus for producing a tubular article having an annular groo

Details Apparatus for producing a tubular article having an annular groo Apparatus for producing a tubular article having an annular groo

1982-09-07

1984-08-28

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

Press forming means, press reshaping means, or vulcanizing...

425367, 425385, 425392, 425393, 425DIG218, B29C 1702

Patent

active

044681879

ABSTRACT:
A tubular article having a peripheral groove is formed by providing the groove in the wall of a tubular blank made of thermoplastic material such as polyethylene terephthalate by applying simultaneously a pressure against the wall of the blank and axial stretching forces. In the bottom of the groove the material is drawn to yielding and the blank is simultaneously elongated.

REFERENCES:
patent: 1641815 (1927-09-01), Kauffman
patent: 1902573 (1933-03-01), Neidich
patent: 3728059 (1973-04-01), de Putter
patent: 3939243 (1976-02-01), Dawson
patent: 3998919 (1976-12-01), Urquhart
patent: 4083918 (1978-04-01), Ronden et al.
patent: 4212204 (1980-07-01), Amand

Affiliated with

Also associated with

Rating

Apparatus for producing a tubular article having an annular groo 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 producing a tubular article having an annular groo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for producing a tubular article having an annular groo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-875561