Safety rope for climbing and manufacturing method therefor

Details Safety rope for climbing and manufacturing method therefor Safety rope for climbing and manufacturing method therefor

1990-02-16

1991-10-29

Hail, III, Joseph J.

Textiles: braiding, netting, and lace making

Processes and products

With material incorporated in diverse ways

87 9, 87 11, D04C 112

Patent

active

050605496

ABSTRACT:
A climbing rope composed of a core of strands surrounded by a braided tubular sheath, whereby the tightness of the sheath determines the stiffness of flexibility of the rope. Most of the rope is flexible because its sheath is loose, while, near its end intended for creating the tying knot, there is a stiff section, i.e., a section whose sheath is tighter than along the rest of the rope. The stiff section is abrasion resistant where the climbing rope passes through the piton closest to the climber.

REFERENCES:
patent: 852747 (1907-05-01), Thum
patent: 958872 (1910-05-01), Holzhey et al.
patent: 1172328 (1916-02-01), Wardwell
patent: 2102829 (1937-12-01), Boivin
patent: 2328500 (1943-08-01), Salsas
patent: 2452228 (1948-10-01), Dawes et al.
patent: 3073209 (1963-01-01), Benk et al.
patent: 3486409 (1969-12-01), Powell

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