Inflatable raft construction and method

Details Inflatable raft construction and method Inflatable raft construction and method

1976-09-27

1978-12-05

Blix, Trygve M.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

9 2A, 156227, 156309, B63C 904

Patent

active

041279093

ABSTRACT:
A construction for inflatable rafts and the like wherein two inflatable tubes are joined together approximately at right angles, the end of the first tube being joined to the side of the second tube. Both tubes are maintained integral in themselves except for small pierced openings to permit the passage of inflating gas between them. The method of fabricating the construction includes partially forming a first tube from a flat strip of fabric and providing a folded length of seam tape, the outer surfaces of which are joined to the inside of the first formed tube at the end margin thereof. The folded seam tape thus seals the end of the first tube. The sealed end of the first tube is then cemented to a length of fabric which will form the second tube. The area of cementing the two tubes is over a portion of the second tube which is the normal area of incidence of the two tubes as they intersect. With the flattened first tube laid over the fabric of the second tube one side of the first tube is cemented to half of the area of incidence following which the length of fabric to form the second tube is folded over the end of the first tube and the other side of the first tube is cemented to the remainder of the area of incidence. While still in this position vent ports are punched into the two tubes so as to permit subsequent passage of inflating gases.

REFERENCES:
patent: 1884705 (1932-10-01), Huffman
patent: 2369736 (1945-02-01), Hurt
patent: 3037218 (1962-06-01), Brooks
patent: 3072930 (1963-01-01), Fraebel
patent: 3995339 (1976-12-01), Kaufman

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