Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Rod or tubular preform
Patent
1991-03-21
1992-06-30
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Rod or tubular preform
72386, 249 53R, B21D 700, B29C 5300
Patent
active
051258250
ABSTRACT:
A plastic pipe bending jig is provided with two offset bending members to fabricate an offset bent pipe. Each bending member is provided with first and second support surfaces, wherein the first support surfaces of each bending member are linearly aligned with each other and the second support surface of each bending member are parallel but offset from each other. The position of the bending members is adjustable so that the pipe offset can be changed as desired.
REFERENCES:
patent: 3000424 (1961-09-01), Weise
patent: 3776539 (1973-12-01), Curtis et al.
patent: 4015918 (1977-04-01), McPhee et al.
patent: 4156588 (1979-05-01), Miller et al.
patent: 4747768 (1988-05-01), Crupi
Bushey Scott
Woo Jay H.
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