Sheetstock dispensable from a corner nip feeder

Details Sheetstock dispensable from a corner nip feeder Sheetstock dispensable from a corner nip feeder

1986-09-15

1987-11-03

Kittle, John E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428157, 428192, B32B 300

Patent

active

047043172

ABSTRACT:
Sheetstock which is too stiff to be dispensed reliably from corner nip feeders is modifed to make it dispensible by forming a diagonal path of relatively low stiffness across each of at least two adjacent corners, preferably all four corners. Such a path preferably is made by forming slits, scores or a line of perforations extending at 45.degree. to the edges of the sheetstock.

REFERENCES:
patent: 3006793 (1961-10-01), Wheeler, III
patent: 3035957 (1962-05-01), Morgan
patent: 3859157 (1975-01-01), Morgan
patent: 3900645 (1975-08-01), Morgan
patent: 4265441 (1981-05-01), Jonas
patent: 4447481 (1984-05-01), Holmberg et al.

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