Reinforced plastics materials

Details Reinforced plastics materials Reinforced plastics materials

B - Operations, Transporting

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154/70.04

B32B 5/08 (2006.01) B32B 3/10 (2006.01) B32B 3/16 (2006.01) B32B 3/22 (2006.01) B32B 5/00 (2006.01) B32B 27/04 (2006.01) C08J 5/04 (2006.01) C08J 5/24 (2006.01) D01D 11/00 (2006.01)

Patent

CA 1075578

Case 3-10204/ARL 244+ CANADA REINFORCED PLASTICS MATERIALS Abstract of the Disclosure A method of preparing ribbons of unidirectional fiber-reinforced plastics material comprises- 1) laying unidirectional fibers in a series of discrete parallel strips onto a plastics material, which may be in the form of strips, each wider than the strips of fibers, but preferably as a continuous sheet, on a backing comprising a first continuous sheet of release material, 2) applying a second continuous sheet of release material to the fibers, 3) applying heat and pressure such that the plastics material flows about the fibers to form a series of coherent strips, 4) removing only one of the layers of release material, 5) applying a continuous solid sheet which will adhere to surplus plastics material between each coherent strip, and 6) removing the said continuous solid sheet with the surplus plastics material adhering thereto.

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