Plastic and nonmetallic article shaping or treating: processes – With step of making mold or mold shaping – per se
Patent
1985-01-28
1987-02-17
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
With step of making mold or mold shaping, per se
249 57, 249 83, 264 36, 264265, 264275, 264279, 264DIG67, 425447, B29C 3910
Patent
active
046438637
ABSTRACT:
The process provides for depositing, on a non-adhesive support, a thread of a fluid material for gasket manufacture from a nozzle that is displaced above the support along a path coinciding with the gasket layout, with subsequent curing of the fluid material. According to the invention, a stiff, wirelike reinforcement is placed on the support before deposition, the reinforcement corresponding in shape to the outline of the gasket that is to be manufactured, and having an adhesive surface with respect to the fluid material of the gasket, so that the subsequently deposited thread of fluid material incorporates the reinforcement and becomes bonded to it. The invention also relates to the product obtained by the process.
REFERENCES:
patent: 2893058 (1959-07-01), Wurtz et al.
patent: 3458373 (1969-07-01), Knipp et al.
patent: 4059564 (1977-11-01), Coughlan et al.
patent: 4519567 (1985-05-01), Rautenberg
Lowe James
Tako S.p.A.
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