Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1977-12-27
1981-05-05
Goolkasian, John T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
53589, 100 29, 100 33PB, 100 33R, 140 932, 1401236, 156185, 156187, 156579, 1565801, 1565802, B32B 3116, B65B 1332
Patent
active
042656877
ABSTRACT:
A method and apparatus for wrapping a tape around an article, such as a bundle of elongate items (e.g., wires), tightening the tape, bonding layers of the tightened tape together and cutting the tape is disclosed. The apparatus or tool includes a clamshell assembly having a movable jaw that closes about the article to be strapped. Thereafter, tape, drawn from a reserve loop by a motor, is guided by a channel formed in the inner periphery of an aperture defined by the clamshell. The moving tape is spirally wrapped about the bundle of items and a latched backup foot located in the clamshell aperture. After the bundle and backup foot are encircled, by a suitable number of layers, a rack moves a plunger against the tape, causing the tape to tighten around the bundle and the backup foot. As the plunger tightens the tape, a new reserve loop is formed. Any additional tape needed to form a complete reserve loop is withdrawn from a tape supply spool. As the rack moves to tighten the tape, the backup foot is delatched and pulls the adjacent section of the tape against the tip of the horn of an ultrasonic transducer. After the tape is tightened, the ultrasonic transducer is actuated and the layers of tape pressed by the backup foot against the tip of the transducer are bonded (ultrasonically welded) together. Thereafter, the plunger is withdrawn, the tape adjacent to the bond is cut, the backup foot is latched and the movable clamshell jaw opened.
REFERENCES:
patent: 3118365 (1964-01-01), Rollo et al.
patent: 3250209 (1966-05-01), Gage et al.
patent: 3442203 (1969-05-01), Kobiella
patent: 3442735 (1969-05-01), Stensaker
patent: 3447995 (1969-06-01), Dankert et al.
patent: 3602421 (1971-08-01), Spratt
patent: 3691939 (1972-09-01), Goodley
patent: 3946769 (1976-03-01), Caveney et al.
patent: 4011807 (1977-03-01), Kobiella
Mercer Paul W.
Stock Howard P.
Dawson Robert A.
Goolkasian John T.
The Boeing Company
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