Pipe joining construction of a bicycle frame

Details Pipe joining construction of a bicycle frame Pipe joining construction of a bicycle frame

1993-02-09

1994-06-07

Robinson, Ellis P.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

428 365, 2802883, 2802811, 403220, 403225, 403226, 403291, B32B 518

Patent

active

053188195

ABSTRACT:
A pipe joining construction includes a tube, two or more extensions extended from the tube, a tube member coupled to each of the extensions so as to form a joint portion, an insert disposed in each of the tube members and the extensions and having an envelope and a foamable material disposed in the envelope, a covering having an outer layer wrapped around the joint portion and a foamable material disposed between the outer layer and the joint portion. When foamed, the foamable materials apply forces against the tube members and the extensions so as to solidly couple them together.

REFERENCES:
patent: 4598922 (1986-07-01), Kleinebenne
patent: 4856800 (1989-08-01), Hashimoto et al.
patent: 5052848 (1991-10-01), Nakamura

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