Machine to produce mat with valves therein

Details Machine to produce mat with valves therein Machine to produce mat with valves therein

1985-01-28

1986-05-20

Flint, Jr., J. Howard

Cutting

Cutting motion of tool has component in direction of moving...

With means to initiate intermittent tool action

83305, 83660, 83678, 428 92, 428 95, 428134, 428136, 425150, 425169, B23D 2512, B23B 302

Patent

active

045893160

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 mat or carpet to and under a spiked roll. The machine includes a sensing device to ensure the leading and trailing edges of the nap mat are not perforated by the spiked roll.

REFERENCES:
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patent: 2762433 (1956-09-01), Russell
patent: 3427912 (1969-02-01), Nozawa et al.
patent: 3451358 (1969-06-01), Ruiz
patent: 3461502 (1969-08-01), Turk et al.
patent: 3730821 (1973-05-01), Jackson
patent: 4058041 (1977-11-01), Ito
patent: 4167130 (1979-09-01), Miller
patent: 4167131 (1979-09-01), Habas et al.
patent: 4326909 (1982-04-01), Slavik
patent: 4379189 (1983-04-01), Platt
patent: 4439475 (1984-03-01), Lang
patent: 4528229 (1985-07-01), Gottlieb

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