Resin impregnation and processing technique for rigidizing net-s

Details Resin impregnation and processing technique for rigidizing net-s Resin impregnation and processing technique for rigidizing net-s

1985-03-29

1987-09-22

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156245, 156285, 156286, 156289, 1563071, 1563073, B32B 3120

Patent

active

046953442

ABSTRACT:
The invention relates to an impregnation and processing technique for dry fiber composite preform net shapes and ensures maximum mechanical properties in finished structural fiber reinforced composite parts especially in water, and results in composite parts with a low internal void content. The proposed process is not dependent on any pumping action whether due to vacuum or positive pressure to cause the resin to flow into and around the skeletal structure of the dry fiber preform. The process is essentially dependent on the concept of gravity flow in a sandwiched apparatus wherein neat resin cast sheets are placed on both faces of a dry fiber preform shape to create a prepregged (i.e., infiltrated) structure.

REFERENCES:
patent: 3421967 (1969-01-01), Hochner
patent: 3817806 (1974-06-01), Anderson et al.
patent: 4016022 (1977-04-01), Browning et al.
patent: 4046937 (1977-09-01), McCaskey et al.
patent: 4252592 (1981-02-01), Green
Webster's New International Dictionary of the English Language, 1952, p. , "complex", 2 pages and p. 549, compound curve, 2 pages.
A New Dictionary of Chemistry, Jan. 23, 1950, p. 512, "thermoplastics" and thermosetting plastics, 2 pages.

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