Process and system for molding soles on to shoe uppers

Details Process and system for molding soles on to shoe uppers Process and system for molding soles on to shoe uppers

1989-05-04

1991-02-26

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

12 1R, 264162, 264244, 2643282, 264344, 36447429, 425119, 4251292, 425163, 425576, 425404, 425446, B29C 3702, B29C 4576, A43B11900

Patent

active

049960121

ABSTRACT:
To automate the roughening of the peripheral surface of a shoe upper in the region to be soled, the application of adhesive along such surface and a final deburring operation, prior to injection molding the last supported shoe upper in the region of lateral side mold elements is measured at the peripheral curvature to determine a curved line of spacial coordinates and angles of curvature starting at a preselected null point, and the values are stored. Another last supported shoe upper is moved by a rotary turntable to be scanned at selected points along its periphery for comparing the selected points to the spacial coordinates and angles of curvature. Any deviation therefrom is adapted to a second preselected null point, after which the shoe upper is guided by a computer controlled robotic device along the curved line starting from the second null point.

REFERENCES:
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patent: 4436771 (1984-03-01), Simmonds, Jr. et al.
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patent: 4720253 (1988-01-01), Koentges
patent: 4801256 (1989-01-01), Landwehr et al.
patent: 4817222 (1989-04-01), Shafir
patent: 4951338 (1990-08-01), Brown et al.
Machines and Materials, Automatic Roughening with Direct Soling, Schuh-Technik & abc, Jul. 1987, p. 509.

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