Dimensionally stable thermoplastic semifinished product

Stock material or miscellaneous articles – Sheet including cover or casing – Noninterengaged fibered material encased

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428280, 428282, 428286, 428288, 428364, 428375, B32B 104, B32B 302

Patent

active

052925706

ABSTRACT:
A semifinished product formed from fiber reinforced thermoplastic material, with the semifinished product including a solid covering of fibers and thermoplastic material, which resolidifies, after melting, and a felt or wadding-like core of a fiber-polymer mixture. The core may be formed from a compressed material and the semifinished product may have either a cylindrical or oval shape. The solid covering has a thickness of less than 20% of the radius of the semifinished product, with the thickness preferably being a maximum of 10 millimeters.

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patent: 4927706 (1990-05-01), Born

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