Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With cutting – punching – piercing – severing – or tearing
Patent
1997-09-29
1998-09-08
Sells, James
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With cutting, punching, piercing, severing, or tearing
156520, 156530, 156552, 156553, B32B 3100
Patent
active
058040315
ABSTRACT:
The tear-strips are formed by transverse cutting of a sheet material by a cutter with a rotary blade, of which the blade cooperates with counter-blades carried by a rotary member. Once formed, each tear-strip is held on the respective counter-blade, for example, by means of a vacuum, so that it can be transferred to a sheet of wrapping material. The tear-strip is applied to the wrapping material transversely by the combined action of the counter-blade and of a striker block carried by a further rotary member disposed on the opposite side of the sheet material. The sheet material can thus advance at a constant speed throughout the process of applying the tear-strips. The preferred use is for automatic packaging machines for products such as food products.
REFERENCES:
patent: 3298891 (1967-01-01), Beck
patent: 4045275 (1977-08-01), Stohlquiest et al.
patent: 4196035 (1980-04-01), Reil
patent: 4409062 (1983-10-01), Conti
patent: 4642150 (1987-02-01), Stemmler
patent: 4765118 (1988-08-01), Akutsu et al.
patent: 5200020 (1993-04-01), Collins et al.
Cavanna S.p.A.
Sells James
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