Method and apparatus for sealess retention of push tensioned str

Details Method and apparatus for sealess retention of push tensioned str Method and apparatus for sealess retention of push tensioned str

1996-09-09

1998-02-10

Larson, Lowell A.

Wireworking

Seal applying or band fastening

By device having cutting edge

72 932, B21F 902

Patent

active

057158738

ABSTRACT:
A sealess strap retention apparatus for sealess joining of overlapping strap portions usable in combination with a tool for push tensioning strap about a load. The apparatus includes a first die portion and a second die movably relative to the first die portion to form a die assembly having a punch recess and a support surface for supporting the overlapping strap portions. A punch member is movable relative to the punch recess of die assembly for joining overlapping strap portions supported on the support of the die assembly. In one embodiment of the invention, the second die portion is pivotally and translatably coupled to a frame member substantially opposite the punch recess of the die assembly, wherein the second die portion is pivotally and translatably movable relative to the first die portion, and two or more punches are movable sequentially relative to corresponding punch recesses in the dies assembly to reduce loading on the die assembly during joining of the overlapping strap portions.

REFERENCES:
patent: 1273115 (1918-07-01), Brooks
patent: 2549626 (1951-04-01), Mosey
patent: 3794086 (1974-02-01), Hall et al.
patent: 5501252 (1996-03-01), Bartzick et al.
Kohan Kogyo Co., Ltd. KOKO Strapping System Sales Brochure.
Signode, Manual for SHC-12/58/34 Manual Combination Strapping Tool, rev Apr. 1996, 31 pages.
Signode, Manual for SAM-12/58/34 Manual Combination Strapping Tool, rev Aug. 1989, 19 pages.
Signode, Manual for PRH-IT-1444 Push Type Power Combination Strapping Tool, rev Aug. 1989, 23 pages.
Signode, Manual for PNSC 12/58/34 Push Type Combination Strapping Tool, rev Apr. 1995, 23 pages.

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