Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent
1997-07-11
1998-08-18
Jones, David
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
Comprising lever manipulated to force work
72461, 72479, B21D 1120, E04B 930
Patent
active
057944857
ABSTRACT:
The present invention pertains to a method of forming a ceiling. The method comprises the steps of setting a tool for a desired length of crimp of a tee or main by adjusting a plate in a slot of the tool. Next there is the step of cutting the tee or main to a desired length. Then there is the step of inserting an end of tee or main into a slot in the tool to a desired length. Next there is the step of crimping tee or main about 90.degree. with the tool without removing any length from the tee or main. Then there is the step of removing the tool from the tee or main. The present invention also pertains to a tool to crimp a tee or main. The tool comprises a housing having an end, with a first slot disposed in the end. Additionally, the tool comprises a plate disposed in the first slot of the housing. The plate is adjustable in regard to position in the first slot so the tee or main can be inserted into the first slot a desired distance defined by where the plate is disposed in the first slot.
REFERENCES:
patent: Re31528 (1984-03-01), Mieyal
patent: 1047832 (1912-12-01), Peterson et al.
patent: 2990734 (1961-07-01), Jackson
patent: 3977144 (1976-08-01), Jahn
patent: 5042286 (1991-08-01), Wiebe et al.
patent: 5425193 (1995-06-01), Gelb
patent: 5694735 (1997-12-01), Lovas
Jones David
Silverman Arnold B.
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