Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Rod or tubular preform
Patent
1981-06-19
1983-08-16
Pavelko, Thomas P.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Rod or tubular preform
B29C 1700
Patent
active
043988792
ABSTRACT:
A portable apparatus for reforming plastic pipe ends is disclosed. The apparatus includes a heat sink clamp and depth collar for locating said clamp a predetermined distance from the end of the plastic pipe end. This heat sink clamp substantially limits axial heat penetration from an oven into the plastic pipe so as to permit the reshaping of the pipe end into a sanitary flow end, i.e. an end having imperfection-free contours.
REFERENCES:
patent: 2876496 (1959-03-01), Murphy
patent: 4175917 (1979-11-01), Cotten
patent: 4234301 (1980-11-01), Hayes
DuPont Paul R.
Nelson Craig R.
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