Ships – Boats – boat component – or attachment – Canoe or kayak
Patent
1984-05-22
1987-04-28
Silbaugh, Jan H.
Ships
Boats, boat component, or attachment
Canoe or kayak
114357, 264511, 264516, B63B 524, B29C 5110, B29C 5112
Patent
active
046604987
ABSTRACT:
Flexible plastic such as polyethylene is reinforced by molding the plastic over a reinforcing member. The reinforcing member is provided with at least one undercut between the plastic and the mold, and the plastic is molded into the undercut so that the plastic and the reinforcing member are interconnected.
REFERENCES:
patent: 2807811 (1957-10-01), Atkinson et al.
patent: 2876498 (1959-03-01), Nason
patent: 3070817 (1963-01-01), Kohrn et al.
patent: 3611461 (1971-10-01), Wurzberger
patent: 4307059 (1981-12-01), Cambio
patent: 4323411 (1982-04-01), Uhlig
E. J. Grossmith, "Vacuum Forming Products having Insert Pins", IBM Technical Disclosure Bulletin, vol. 16, No. 11, 4-1974, p. 3825.
Lorin Hubert C.
Silbaugh Jan H.
The Coleman Company Inc.
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