Heating mechanism for zipper forming machines

Details Heating mechanism for zipper forming machines Heating mechanism for zipper forming machines

1996-05-03

1997-12-16

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Including both heating and cooling means

2642105, 264281, 264339, 264DIG40, 425391, 425393, 425394, 425403, 425814, B29D 504

Patent

active

056982399

ABSTRACT:
A heating mechanism for zipper forming machines includes a mold base, a support seat, a seat cover, a screw sleeve and a heating element. The support seat has a clearance at a central portion and a heat insulation pad is fitted into the clearance for dividing the support seat into a heating area and a cooling area. The heating element is disposed in the heating area and a cooling element is disposed at the cooling area for enhancing heat energy efficiencies and reducing noise.

REFERENCES:
patent: 2974372 (1961-03-01), Yoshida
patent: 3035307 (1962-05-01), Yoshida
patent: 3132380 (1964-05-01), Wilcken
patent: 3137037 (1964-06-01), Wilcken
patent: 3262157 (1966-07-01), Fujisaki
patent: 3353217 (1967-11-01), Bashover
patent: 3917787 (1975-11-01), Hansen
patent: 4325184 (1982-04-01), Omori
patent: 4501547 (1985-02-01), Mizuhara et al.
patent: 5164142 (1992-11-01), Simmonds

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