Method and apparatus for shaping fiber mats

Details Method and apparatus for shaping fiber mats Method and apparatus for shaping fiber mats

1981-07-31

1983-11-15

Cockeram, H. S.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With subsequent cutting, grooving, breaking, or comminuting

264119, 264120, 425296, 425297, 4253021, 4253051, 425313, 425314, 425315, 425316, 425367, 425404, 425309, 425306, 425328, D04H 116, B28B 714

Patent

active

044155174

ABSTRACT:
Method and apparatus for shaping of mats composed of loose fibers with a thermosetting resin interspersed throughout. The apparatus compresses the mat and exposes its laterally extending surfaces to elevated temperatures to obtain partial curing thereof. Slits are made in the surface regions adjacent areas where extra shaping will occur in forming the final product. These slits enable more precise shapes to be impressed upon the mat and eliminate the tendency of the partially cured areas to spring back to a position of lesser compression.

REFERENCES:
patent: 2989774 (1961-06-01), Erickson et al.
patent: 3518157 (1970-06-01), Terry et al.
patent: 3608025 (1971-09-01), Mirsky
patent: 3661491 (1972-05-01), Troyer
patent: 4174416 (1979-11-01), Marcer

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