Movable insulation puncher

Details Movable insulation puncher Movable insulation puncher

1979-08-29

1981-06-09

Yost, Frank T.

Cutting

With means to control or modify temperature of apparatus or...

Of tool

83588, 83620, 83928, B26F 308

Patent

active

042717370

ABSTRACT:
A movable insulation puncher includes lancing elements which are used to define slots for receiving shear connectors in a multi-layer panel. The lancing elements are heated by gas burners and are moved along a panel on a carriage, and toward a panel by a crank assembly. Return to a neutral position of the lancing elements is spring assisted, and the carriage can be used to store tools, or to support a workman.

REFERENCES:
patent: 722452 (1903-03-01), Mossner
patent: 1295750 (1919-02-01), Hibbs
patent: 1876574 (1932-09-01), Anderson
patent: 1884398 (1932-10-01), Uxley
patent: 2445093 (1948-07-01), Von Cseh
patent: 4028974 (1977-06-01), Collet
patent: 4119137 (1978-10-01), Eberle

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