Valve perforation arrangement

Details Valve perforation arrangement Valve perforation arrangement

1985-03-18

1987-03-31

Yost, Frank T.

Cutting

Processes

Puncturing

83345, 83347, 83660, B26F 124

Patent

active

046533630

ABSTRACT:
A machine and method to operate the machine to provide a plurality of valve-like perforations in the rubber-like backing of a nap mat or carpet by delivering the nap map or carpet to and under a spiked roll. The machine includes a back up roll with grooves therein which prevents grooving of the conveyor belt by the pins or spikes on the spiked roll.

REFERENCES:
patent: 2762433 (1956-09-01), Russell
patent: 3084730 (1963-04-01), Stahmer
patent: 4020725 (1977-05-01), Climo
patent: 4216690 (1989-08-01), Bullock

Affiliated with

Also associated with

Rating

Valve perforation arrangement does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2205058