Forming method

Details Forming method Forming method

1975-08-12

1976-12-07

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

29605, 156443, 336213, B65H 8100

Patent

active

039960862

ABSTRACT:
A method of forming a rectangular laminated frame for an electro-magnetic device such as a solenoid includes forming a rectangular laminated frame. Formation of the frame includes winding a strip of material in spiral fashion to produce a generally annular blank and then subjecting the blank to a forming process. The forming process involves applying to the blank pressure in an outward direction at 4 spaced points on the inner peripheral surface of the blank. This applied to outward pressure deforms the blank to the required shape.

REFERENCES:
patent: 2477350 (1949-07-01), Somerville
patent: 2751319 (1956-06-01), Carlson
patent: 3327373 (1967-06-01), Somerville

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