An interlocking closure fastening device comprising an omega-shaped closure element and a co-acting closure element having a trident profile configuration. The co-acting closure element has a profile portion comprising three generally parallel arm portions. The first arm portion terminates in a hook portion, the second arm portion is a generally straight structure having at least one enlarged portion located anterior to its extremity, and the third arm portion terminates in a funnel portion. The closure device is adapted for use with reclosable plastic freezer storage and cooking bags to provide drip-proof and leak-proof seals.
申请公布号
DE3678089(D1)
申请公布日期
1991.04.18
申请号
DE19863678089
申请日期
1986.09.10
申请人
UNION CARBIDE CORP., DANBURY, CONN., US
发明人
BORCHARDT, MICHAEL GENE;DORSEY, ROBERT THOMAS;KAMP, EWALD ALBERT, ILLINOIS, US