Inflatable liferafts

Details Inflatable liferafts Inflatable liferafts

B - Operations, Transporting

63

B

114/15, 114/25

B63B 9/00 (2006.01) B63B 7/08 (2006.01) B63C 9/04 (2006.01)

Patent

CA 1057135

Abstract of the Disclosure An improved method of making inflatable liferafts and liferafts made by such a method are disclosed. Hitherto, inflatable liferafts have been made by joining panels of suitable material together by the use of adhesive. Such a method is labour intensive and the present invention is more economical in the use of labour and takes advantage of modern materials, in that thermo- plastic sheet material which is to form a floor of the liferaft is heat welded around the periphery of the floor to the thermoplastic sheet material which is to form a peripheral inflatable buoyancy tube of the liferaft, after which edges of the material which is to form the tube are joined by heat welding to close the tube along its longitudinal extent.

256415

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