Static molds – Container-type molding device – Having plural mold sections
Patent
1987-11-13
1988-11-29
Hoag, Willard
Static molds
Container-type molding device
Having plural mold sections
72 61, 72190, 164323, 164330, 164430, 1984652, 425224, 425335, 4253421, 425343, 4253871, 425390, 425395, 425396, B29C 3334, B29C 4930
Patent
active
047875984
ABSTRACT:
The invention relates to an apparatus for the continuous production of pipes with cross-profiled walls from a pipe strand of thermoplastic plastic emerging in still plastic state from an extrusion nozzle.
REFERENCES:
patent: 3188690 (1965-06-01), Zieg
patent: 3776679 (1973-12-01), Hegler
patent: 3779684 (1973-12-01), Folkes
patent: 3784346 (1974-01-01), Maroshak
patent: 4212618 (1980-07-01), Hegler et al.
patent: 4504206 (1985-03-01), Lupke
patent: 4662428 (1987-05-01), Trendov
Grull Helmut
Rahn Horst
Hoag Willard
Unicor GmbH
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