Mold or die assembly

Details Mold or die assembly Mold or die assembly

1986-09-12

1989-01-03

Hoag, Willard E.

Static molds

Including electric heating means

249 81, 425190, 425195, 425547, 425548, 425588, 425384, 425407, B29C 3302, B29C 4532, B29C 4540, B29C 4572

Patent

active

047951257

ABSTRACT:
For manufacturing articles of plastics, rubber or any other material a mold or die assembly comprising a mold or die base assembled from repetitive modular standard elements consisting of substantially "ready to use" interchangeable base plates is provided by the invention.
The base plates are prefabricated by high-precision castings or galvanoplastics or any other similar high-precisious non-cutting method of manufacture.
At least two of such base plates are, as mold or die plates, provided with a pre-determined number and arrangement of finished to sized, prefabricated cylindrical bores or piercings of any non-circular, mainly polygonal cross-section. Each of said bores or piercings is capable of fittingly receiving an interchangeable mold or die insert carrying the individually designed (negative) mold or die cavity surface for forming the particular article(s) to be manufactured. In said mold or die inserts, suitable hollow spaces or passages for a suitable means for tempering the inserts are also provided for, preferably by prefabrication.

REFERENCES:
patent: T949004 (1976-08-01), Delaire et al.
patent: 1895135 (1933-01-01), Rohn
patent: 3932085 (1976-01-01), Horbach
patent: 4239471 (1980-12-01), Swaroop
patent: 4416604 (1983-11-01), Bender et al.
patent: 4473346 (1984-09-01), Hehl
patent: 4508309 (1985-04-01), Brown
patent: 4557685 (1985-12-01), Gellert
patent: 4586690 (1986-05-01), Hartel et al.
Randolph et al, Plastics Engineering Handbook, Reinhold, N.Y. (1960) pp. 439-441.
Catalogue Sheets (DME and HASCO).
D1 K. Stoeckhert: "Werkzeugbau fur die Kunststoff-Verarbeitung" 1979 Carl Hauser Verlga Munchen, Wien, pp. 429 to 437.

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