Hollow extrudate

Details Hollow extrudate Hollow extrudate

1995-03-22

1996-03-19

Cannon, James C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

494751, 494901, 494981, 527162, 527168, 5271703, 5271705, 2961461, 296 93, 428122, 428358, 428398, B32B 306, B32B 310, B60J 1002, E06B 716, E06B 723

Patent

active

055002641

ABSTRACT:
A hollow extrudate includes a long belt-shaped member produced by extrusion and having hollow portions extending in a longitudinal direction of the member wherein an outer surface of a cross-section of a wall forming the hollow portion orthogonal to the longitudinal direction has a substantially constant shape in the longitudinal direction. The member includes a solid portion extending in the longitudinal direction and interconnecting the hollow portions, the solid portion forming a reinforced portion of the member. The solid portion is formed by enlarging the walls of the hollow portion. The member also includes a first and second extruded region which are pressed together to form the hollow portion.

REFERENCES:
patent: 4214036 (1980-06-01), Bright
patent: 4982529 (1991-01-01), Mesnel
patent: 5009947 (1991-04-01), McManus
patent: 5433808 (1995-07-01), Yada et al.

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