Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1985-05-28
1986-04-22
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
249115, 264 464, 264 466, 264 467, 264 53, 264 54, 264268, 264338, 427135, B29C 3360, B29C 6720
Patent
active
045841560
ABSTRACT:
In order to facilitate the release of polyurethane from a steel or aluminium mould, the metal surface is provided with a mono-layer of an alkylmercaptan. A silver layer may be provided between the mould metal and the alkylmercaptan monolayer.
The invention can be advantageously used for manufacturing a luminaire for a tubular discharge lamp.
REFERENCES:
patent: 4419719 (1983-12-01), Boer et al.
Lowe James
Spain Norman N.
Tentoni Leo
U.S. Philips Corporation
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