Metal working – Method of mechanical manufacture – Obtaining plural product pieces from unitary workpiece
Patent
1994-10-11
1995-12-26
Bryant, David P.
Metal working
Method of mechanical manufacture
Obtaining plural product pieces from unitary workpiece
227 76, 227120, 7158, B23P 1700
Patent
active
054776015
ABSTRACT:
A combination staple gun and tacker is provided which takes the place of two separate tools for stapling and cutting fiberglass tape used to tape various seams between sections of air-conditioning ductwork. Also provided is an improved method of of stapling and cutting fiberglass tape required to seal junctions of ductwork, employing the combination staple gun and tacker to staple the tape required on ductwork seams and to cut away the excess tape without tearing loose the newly-installed staples.
REFERENCES:
patent: 3589585 (1971-06-01), Cerioni
patent: 3596820 (1971-08-01), Kwong Li Lou
patent: 4051991 (1977-10-01), Goodchild
patent: 4087035 (1978-05-01), Harmon
patent: 4706869 (1987-11-01), Knispel et al.
patent: 4727610 (1988-03-01), Lin
Bryant David P.
Turner Elsie C.
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