Recyclable tarpaulin sheet

Details Recyclable tarpaulin sheet Recyclable tarpaulin sheet

1994-05-16

1996-10-01

Mai, Lanna

Tent, canopy, umbrella, or cane

Portable shelter

Cover for shelter

135119, 2274, 2 695, E04H 1554

Patent

active

055603840

ABSTRACT:
An outdoor sunscreen formed without rope or pole connecting eyelets includes a fabric sheet having a reinforced margin. The reinforced margin is a two-layered structure and lengthwise receives a reinforcing band therein. This margin is formed by folding an edge of the sheet with the reinforcing band lengthwise placed in the folded edge and by fusion welding together inner surfaces of the folded edge through high frequency heating. A plurality of arcuate punched slits are formed on the reinforced margin for providing a rope reception hole. In the fabric sheet, wefts and warps of the reinforced margin are tightly woven such that a woven structure of the margin about each punched slit endures a tensile force applied thereto from a tightened rope.

REFERENCES:
patent: 914708 (1909-03-01), Duval
patent: 3590864 (1971-07-01), Vechesloff
patent: 3766566 (1973-10-01), Tadokoro
patent: 4367761 (1983-01-01), Winant
patent: 4372998 (1983-02-01), Shimada
patent: 4537210 (1985-08-01), Montgomery
patent: 4642868 (1987-02-01), Pandell
patent: 4958652 (1990-09-01), Maya
patent: 4966181 (1990-10-01), Liberman et al.

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