Splicing methods for an extruded handrail

Details Splicing methods for an extruded handrail Splicing methods for an extruded handrail

1985-03-08

1986-10-21

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156137, 156138, 15624418, 156257, 156258, 1563041, 1563042, 1563043, 198335, 198337, 198338, B29C 4700, B32B 3104, B32B 3118

Patent

active

046183876

ABSTRACT:
A method of splicing a length of extruded handrail having a C-shaped cross-sectional configuration, a substantially flat inner drive surface, and a plurality of spaced, longitudinally extending inextensible members embedded in the body of the handrail. The ends of the handrail are squared, aligned, and butted. Longitudinally extending grooves are cut into the flat drive surface, through and on both sides of the butt joint, in the spaces between the embedded inextensible members. Predetermined lengths of inextensible members and elastomeric material are placed in the grooves, and bonded to the surfaces which define the grooves. In another embodiment, the grooves are extruded into the flat drive surface at the same time the handrail is extruded. In either embodiment, the ends of the handrail may be bonded together prior to, or simultaneously with, the bonding of the inextensible members and elastomeric material with the groove surfaces.

REFERENCES:
patent: 2686585 (1954-08-01), Margles et al.
patent: 2733181 (1956-01-01), Riedesel
patent: 2879881 (1959-03-01), Tilton
patent: 3487871 (1970-01-01), Kanamori
patent: 3633725 (1972-01-01), Smith
patent: 3719265 (1973-03-01), Redding et al.
patent: 3949858 (1976-04-01), Ballocci et al.
patent: 4215516 (1980-08-01), Huschle et al.
patent: 4453910 (1984-06-01), Ball

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