Cover binder system

Details Cover binder system Cover binder system

1989-11-16

1990-12-04

Yost, Frank T.

Books, strips, and leaves

Book or leaf holder

Cooperating with leaf fold

281 50, 412902, 412 4, 412 9, B42D 700

Patent

active

049748777

ABSTRACT:
The invention is a cover binder including a one piece cover, a one piece plastic strip adapted to pierce the spine of a book and a means for engaging the strip to the cover, and a method and an apparatus for binding books in the cover binder as by providing a plastic strip with at least one leg, piercing the spine of the book from within by the leg of the strip, passing the leg through the cover and melting the end of the leg to form a button to secure the leg to the cover, and cooling the button by means of a heat conducting die that may simultaneously shorten the cool down of the melted plastic button and emboss a design on the button.

REFERENCES:
patent: 273223 (1883-02-01), Carter
patent: 1474494 (1923-11-01), Schade
patent: 1530130 (1925-03-01), Lloyd
patent: 1665128 (1928-04-01), Cather
patent: 1981280 (1934-11-01), Osuch
patent: 2316209 (1943-04-01), Zalkind
patent: 2950821 (1960-08-01), Hoofer
patent: 3757389 (1973-09-01), Wiland
patent: 4352583 (1982-10-01), Errichiello
patent: 4369013 (1983-01-01), Abildgaard
patent: 4561623 (1985-12-01), Shepherd et al.
patent: 4624480 (1986-11-01), Marthaler et al.
patent: 4645237 (1987-02-01), Squire et al.

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