Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Producing multilayer work or article
Patent
1985-01-03
1986-02-11
Silbaugh, Jan
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Producing multilayer work or article
264526, 264529, 264531, 264532, 264533, B29C 4906, B29C 4918, B29C 4922
Patent
active
045698163
ABSTRACT:
A pot-shaped blank is shaped from nylon by the injection moulding process. Onto the blank a pot-shaped outer layer of polyethylene is moulded. The coated blank is finish shaped to canister form by a blowing process. The result is a "bonded structure" that substantially prevents permeation of aromatic substances and acyclic and alicyclic compounds. The method is particularly suitable for manufacturing canisters to hold lead-free gasoline.
REFERENCES:
patent: 3371376 (1968-03-01), Fischer et al.
patent: 3452391 (1969-07-01), Langecker
patent: 3878282 (1975-04-01), Bonis et al.
patent: 4013748 (1977-03-01), Valyi
patent: 4086314 (1978-04-01), Lampart et al.
patent: 4280859 (1981-07-01), Thompson
patent: 4397629 (1983-08-01), Akutsu et al.
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