Injection mould having cooling passages

Details Injection mould having cooling passages Injection mould having cooling passages

1990-03-13

1991-10-22

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425192R, 425547, 425552, B29C 4526

Patent

active

050591088

ABSTRACT:
A tool for the injection molding of synthetic plastics to form a plastic top on a paper tube container has an inner mold and a two-part outer mold in which two steel mold parts are adapted to be applied against each other in sealing-tight manner along a plane of separation and moved away from each other again. The injection molding cavity is formed by a surface contour attachment disposed on the mold parts. Cooling spaces are disposed behind the surface contour attachment on the side remote form the injection molding cavity.

REFERENCES:
patent: 4001471 (1977-01-01), Rumball
patent: 4462780 (1984-07-01), Stavitsky et al.
patent: 4622001 (1986-11-01), Bright et al.
patent: 4795125 (1989-01-01), Boros et al.
patent: 4800953 (1989-01-01), Veldhoff
"Mould Temperature Control", Plastics, Vol. 10, 1986, pp, 1284-1288, J. D. Robinson.
Article in Plastverarbeiter, H.12, 1967, S.8u.9; Pelka et al.

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