Method of rigidifying the tearing edge of a carton

Details Method of rigidifying the tearing edge of a carton Method of rigidifying the tearing edge of a carton

1979-05-29

1980-11-18

Lusignan, Michael R.

Stock material or miscellaneous articles

Nonrectangular sheet

427285, 427288, 427401, 428542, 428194, B05D 500, B32B 2302, B32B 906, B32B 2900

Patent

active

042346355

ABSTRACT:
A tearing edge is formed at an edge of a paperboard blank according to the present invention by arranging a plurality of paperboard blanks in a stack with the edges which are to be reinforced disposed in a common plane and applying a clamping force to the stack of blanks and applying to the edges which are to be reinforced a coating fluid of a type which is at least semi-rigid when set and allowing the coating to set to form a rigidifying edge and thereafter releasing the clamping force to permit separation of the blanks from the stack.

REFERENCES:
patent: 3193427 (1965-07-01), Rogers
patent: 3330685 (1967-07-01), Reilly

Affiliated with

Also associated with

Rating

Method of rigidifying the tearing edge of a carton does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of rigidifying the tearing edge of a carton, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of rigidifying the tearing edge of a carton will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-598442