Hull, mold therefor, and process for producing same

Details Hull, mold therefor, and process for producing same Hull, mold therefor, and process for producing same

1974-12-12

1978-07-11

Blix, Trygve M.

B63B 524

Patent

active

040992802

ABSTRACT:
Marginal zone-reinforced foam moulding, especially for hulls, are produced in situ technique by coating the inner surface of a mould with a viscous, hardenable adhesive or gel-coat; placing a fiber-reinforcing insert into this layer while it is still viscous; laying an airtight flexible film on this insert and sealing it off outside its dimensions; subsequently removing the air present between the mould and the film under suction and simultaneously pressing the reinforcing insert into the layer of adhesive or gel-coat; removing the film; closing the mould; introducing a liquid, expandable reaction mixture into the mould cavity; and removing the foam moulding from the mould on completion of foaming.

REFERENCES:
patent: 3840926 (1974-10-01), Stoeberl

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