Flexible bags – Lifting or suspending element – Single element
Patent
1989-04-06
1990-02-20
Marcus, Stephen
Flexible bags
Lifting or suspending element
Single element
383 61, 383 63, 383 79, 383 92, 206618, B65D 3308
Patent
active
049021400
ABSTRACT:
A shipping sack having side walls defining a mouth from which contents may be discharged, includes a non-reclosable stitched fastener across and closing the mouth. The stitched fastener includes a removable chain stitch and a removable rip tape for facilitating manual opening of the stitched fastener. The rip tape is composed of a strip having a cut-out opening therethrough defining a handle adapted to be manually grasped for carry the shipping sack. The rip tape also includes a free end extending beyond the edge of the shipping sack to facilitate manual access to the rip tape and to facilitate pulling the rip tape to remove the stitched fastener.
REFERENCES:
patent: 1951599 (1934-03-01), Dever
patent: 2050967 (1936-08-01), Farmer
patent: 2608227 (1952-08-01), Witt
patent: 2625318 (1953-01-01), Ross
patent: 2947464 (1960-08-01), Newton
patent: 2978164 (1961-04-01), Williams et al.
patent: 2979253 (1961-04-01), Phillips et al.
patent: 3030003 (1962-04-01), Schanzle
patent: 3099384 (1963-07-01), Baxter
patent: 3228585 (1966-01-01), Fleming
patent: 4241865 (1980-12-01), Ferrell
patent: 4620320 (1986-10-01), Sullivan
patent: 4691370 (1987-09-01), MacFee
"Rip Strip, Open Zip", Feb. 1985, "Packaging", vol. 30, No. 2, p. 13.
KCL Corporation
Marcus Stephen
Stemann K. M.
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