Cutting – Cutting motion of tool has component in direction of moving... – Orbital motion of cutting blade
Patent
1994-03-15
1994-11-22
Lavinder, Jack W.
Cutting
Cutting motion of tool has component in direction of moving...
Orbital motion of cutting blade
83343, 83659, 493363, 493967, B23D 2512
Patent
active
053658191
ABSTRACT:
A process for forming a packing material, comprising positioning a paper material on or adjacent to a die member, and forcing a multitude of cutting blades completely through the paper material and .into that die member at a multitude of spaced apart locations to form a multitude of slits in the paper material. These slits allow the paper material to be pulled or expanded into a three-dimensional shape that is both load bearing and resilient. In a first embodiment, the process is carried out in a flat die press, including upper and lower die members and with the cutting blades secured to the upper die member. In a second embodiment, the process is carried out in a rotary press including upper and lower rotatable rollers and with the cutting blades secured to the upper roller.
REFERENCES:
patent: 671915 (1901-04-01), Curtis
patent: 1928322 (1933-09-01), Swarfvar
patent: 2588859 (1952-03-01), Lumbard
patent: 2923052 (1960-02-01), Marogg
patent: 3147658 (1964-09-01), Boyd
patent: 4615671 (1986-10-01), Bernal
patent: 5203761 (1993-04-01), Reichental
"Diemaking Diecutting intelligence newsletter".
Maida Richard C.
Sferlazza Joseph
Lavinder Jack W.
Prompac Industries, Inc.
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