Process for the manufacture of an injection mould

Details Process for the manufacture of an injection mould Process for the manufacture of an injection mould

1987-09-14

1989-05-23

Jordan, M.

Metal fusion bonding

Process

With shaping

228161, 249 79, B29F 103, B29C 500, B23K 112

Patent

active

048322547

ABSTRACT:
An injection mould having several gating points (3) which are all supplied with moulding material at the same time has a hot runner manifold (2) situated in a composite body. The composite body is composed of several plates (9,11,12,13,9') in which both the system of hot runners (2) and the tubular heating elements (10) required for heating are formed, starting from the surfaces of separation (F1, F2, F3, F4), whereupon the individual surfaces are joined together by diffusion welding after they have been pretreated as required (FIG. 2).

REFERENCES:
patent: 4017242 (1977-04-01), Mercer
patent: 4269586 (1981-05-01), Ronayne
patent: 4412805 (1983-11-01), Morrison
patent: 4424622 (1984-01-01), Krause
patent: 4439915 (1984-04-01), Gellert
patent: 4486934 (1984-12-01), Reed
patent: 4648546 (1987-03-01), Gellert

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