Flat die neck-in control device

Details Flat die neck-in control device Flat die neck-in control device

1986-04-23

1987-09-15

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

Stock pressurizing means operably associated with downstream...

425376B, 425394, 425461, B29C 4714, B29C 4732

Patent

active

046936777

ABSTRACT:
A neck-in control device of a flat die comprising a pair of inducing guides, provided at both ends of a resin extruding outlet of the flat die, for inducing a molten resin extruded from the resin extruding outlet to move outward, whereby an inward neck-in of the molten resin is suppressed.

REFERENCES:
patent: 3947201 (1976-03-01), Ellwood
patent: 4411614 (1983-10-01), Feathers
patent: 4536357 (1985-08-01), Hayashi et al.
patent: 4536362 (1985-08-01), Donaldson

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