Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Convoluting or twisting means
Patent
1988-02-08
1989-08-08
Simmons, David
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Convoluting or twisting means
156194, 156245, 156500, 264151, 264159, 2642093, 264281, 425392, B31C 100
Patent
active
048548464
ABSTRACT:
A method and apparatus of making a plurality of flexible hoses each having a preformed bend section between opposed ends of the hose that tends to return to the shape of its preformed bend section when unbent therefrom are provided, the method comprising the steps of winding a continuous length of a hose material around a pair of spaced apart substantially cylindrical posts so that a plurality of sections of the hose material extends between the posts, heat curing the hose material while the same is in the wound condition thereof on the posts, and, thereafter, cutting the plurality of hoses from the thus cured hose material so that each hose has the preformed bend section therein that was defined by its wound relation with the post, the step of winding the hose material around the posts comprising the step of orbiting the posts about an axis that is substantially parallel to the longitudinal axes of the posts.
REFERENCES:
patent: 2544119 (1951-03-01), Wolfe
patent: 2544120 (1951-03-01), Wolfe
patent: 2619125 (1952-11-01), Eickmeyer et al.
patent: 2658256 (1953-11-01), Van Dijck
patent: 2963233 (1960-12-01), Riegler
patent: 3021871 (1962-02-01), Rodgers
patent: 3038523 (1962-06-01), Merck et al.
patent: 3288169 (1966-11-01), Moss
patent: 3414448 (1968-12-01), Harpfer
patent: 3826288 (1974-07-01), Cooper et al.
Prior known method of winding hose material about a pair of stationary post means.
Dayco Products Inc.
Simmons David
Tassone Joseph V.
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