Stock material or miscellaneous articles – Sheet – web – or layer weakened to permit separation through...
Patent
1989-10-19
1990-07-31
Thomas, Alexander S.
Stock material or miscellaneous articles
Sheet, web, or layer weakened to permit separation through...
428 76, 206330, 206824, B65D 8530, B65D 7522
Patent
active
049449796
ABSTRACT:
An improvement is provided for a conveyer tape comprising an underlying flexible belt, a stock of parts disposed in a row along such belt, adhesive deposited on the belt in two bands flanking such row, and a cover tape extending in the length of the row over the parts to hold them on the belt, the tape being adhered on laterally opposite sides of the row to the belt by adhesive in such bands. The improvement involves providing two sets of perforations formed in the tape to demarcate therein two tear lines extending in the length of the tape and disposed on opposite lateral sides of the row of parts, laterally inwards of the adhesive bands. The perforations reduce the shearing strength of the tape along the tear lines to promote peeling at the front end of the tape away from the belt of a central strip of the tape lying between the tear lines and between border portions of the tape on either side of that strip and remaining adhered to the belt. The removal of the strip exposes parts at the front end of the belt to access to permit such exposed parts to be lifted away from the belt.
REFERENCES:
patent: 4327482 (1982-05-01), Araki et al.
patent: 4438559 (1984-03-01), Asai et al.
patent: 4440355 (1984-04-01), Mori et al.
patent: 4633370 (1986-12-01), Hamuro et al.
EIA Standaard-481 Revision A, "Taping of Surface Mount Components for Automatic Placement" Feb., 1986.
Minutes of the Automated Component Handling Committee, Apr. 20, 1989, "EIA Standard Proposal" by Richard D. Schulte (Attachment A).
Gagliano Francis P.
Hechtlinger Solomon L.
AT&T Bell Laboratories
Kip Ruloff F.
Thomas Alexander S.
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