Web cutting method and apparatus

Details Web cutting method and apparatus Web cutting method and apparatus

1984-07-17

1987-01-27

Schran, Donald R.

Cutting

Tool pair comprises rotatable anvil and fixed-type tool

83510, 83566, 83659, 83701, B26F 100, B26D 145

Patent

active

046387021

ABSTRACT:
The disclosed cutting method and apparatus produces a pattern cut in web material by providing a generally conically-shaped rotatable anvil and oppositely disposed knife edge shaped to produce the pattern cut. The axes of symmetry containing the apex of the cone is positioned at an acute angle to the axes about which the cone is rotated. With the web positioned over the knife, the knife is brought into pressure engagement with the anvil thereby piercing the web substantially at a point. Rotation of the anvil effects progressive cutting as the anvil surface traces the cutting edge of the knife.

REFERENCES:
patent: 676677 (1901-06-01), Du Brul
patent: 693253 (1902-02-01), Follows
patent: 782931 (1905-02-01), Tyberg
patent: 859982 (1907-07-01), Schaeffer
patent: 2772736 (1956-12-01), Campbell
patent: 3703118 (1972-11-01), Spengler

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