Apparatus for reinforcing binding holes

Details Apparatus for reinforcing binding holes Apparatus for reinforcing binding holes

1986-10-23

1989-04-18

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

156250, 156252, 156514, 156530, 206820, 83922, B32B 3118

Patent

active

048224464

ABSTRACT:
Reinforcement for strengthening sheets of paper and the like around binding holes. The reinforcement has a generally chevron shape with parallel opposing edges of similar length and contour. In one embodiment, the reinforcements are supplied in a precut from in which a plurality of the reinforcements are nested together along an axis with the opposing edges of adjacent ones of the reiforcements in close mating relationship with each other and no gaps or waste material between the reinforcements. In another embodiment, the reinforcements are cut in place from a sheet of adhesive backed reinforcing material and applied by a punch which also cuts the binding holes in the paper.

REFERENCES:
patent: 1869385 (1932-08-01), Maish
patent: 2437640 (1948-03-01), Hedrick
patent: 2561387 (1951-07-01), Lo Forese
patent: 2589168 (1952-03-01), Vassar
patent: 2764501 (1956-09-01), Perri
patent: 3441462 (1969-04-01), Bogen et al.
patent: 3467250 (1969-09-01), D'Elia et al.

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