Process of and an apparatus for bending stretched plastic casing

Details Process of and an apparatus for bending stretched plastic casing Process of and an apparatus for bending stretched plastic casing

1980-04-28

1982-06-22

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Differential temperature conditioning

264564, 264565, 264566, 264567, 264569, 264281, 264285, 264339, 4253261, 4253871, 425392, 425445, B29C 1702

Patent

active

043362222

ABSTRACT:
A stretched plastic casing is tensioned by means of a fluid medium after having been introduced into two clamping rollers, and conveyed to a bending member in front of or at the location of which it is subjected to a thermal treatment such, that it is bent out of its original path, while being thermally deformed, and is subsequently conveyed in the same direction of curvature, in a bent form, so as to be cooled down.

REFERENCES:
patent: 2136566 (1938-11-01), Schnecko et al.
patent: 2501584 (1950-03-01), Schanz
patent: 3454695 (1969-07-01), Holmgren
patent: 3884612 (1975-05-01), Parmann
patent: 3917500 (1975-11-01), Petzetakis et al.
patent: 4022860 (1977-05-01), Sugeno et al.

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