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B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
B29C70/28—Shaping operations therefor
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Composite Materials
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Mechanical Engineering
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Floor Finish
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Abstract
Reinforced heat-hardening materials are made into walled structures by making on collapsible moulds block shapes of which all faces can be used for bonding. The faces can be grooved and the blocks are built together and to other pieces of framework by bonding, and outer sheathing is moulded in situ. Used to form air-cushions, boat-hulls etc.