System cover breaker

Details System cover breaker System cover breaker

1990-05-29

1991-10-29

Yost, Frank T.

Bookbinding: process and apparatus

Process

Of applying a cover to a book

412 11, 412 22, B42C 1100

Patent

active

050611380

ABSTRACT:
In a flat gathering binding system it is necessary to use a cover breaker to apply pressure to the book and cover to form a sharp square fold on each side. A cover breaker control system includes a motor which is coupled to a cover breaker carriage for varying the relative position of first and second movable cover breaker plates which are used to apply the pressure. A controller calculates the difference between book thickness which the plates are set for and a desired thickness, and is operable to vary the relative positioning by a distance corresponding to this difference so that when the plates are driven to break the cover they are spaced a distance apart according to the desired thickness.

REFERENCES:
patent: 2969554 (1961-01-01), McCahon
patent: 3928119 (1975-12-01), Sarring
patent: 4153963 (1979-05-01), Hawkes et al.
patent: 4767250 (1988-08-01), Garlichs

Affiliated with

Also associated with

Rating

System cover breaker does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System cover breaker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System cover breaker will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1396362