Process and apparatus for thermoforming a thermoplastic carton h

Details Process and apparatus for thermoforming a thermoplastic carton h Process and apparatus for thermoforming a thermoplastic carton h

1984-07-12

1986-09-16

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Making hole or aperture in article

264156, 264163, 264321, 264322, 425290, 425292, 425398, 425817R, B29C 6720, B29C 5108

Patent

active

046121536

ABSTRACT:
Apertures are formed in plastic resin sheet material during a thermoforming process by shearing the heated plastic sheet between shear members which have cooperating shear faces extending in two dimensions in a plane perpendicular to the direction of movement of the thermoforming dies. The resulting apertures have a three dimensional configuration.

REFERENCES:
patent: 2990094 (1961-06-01), Reifers
patent: 3563446 (1971-02-01), Lake et al.
patent: 3648916 (1972-03-01), Commisso
patent: 3687350 (1972-08-01), Warburton
patent: 3735917 (1973-05-01), Warburton
patent: 3817441 (1974-06-01), Jackson
patent: 3845187 (1974-10-01), Dahlberg
patent: 3862817 (1975-01-01), Dahlberg
patent: 3908891 (1975-09-01), Jackson
patent: 4108941 (1978-08-01), Kermoian
patent: 4142848 (1979-03-01), Irwin
patent: 4143111 (1979-03-01), Irwin

Affiliated with

Also associated with

Rating

Process and apparatus for thermoforming a thermoplastic carton h does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process and apparatus for thermoforming a thermoplastic carton h, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process and apparatus for thermoforming a thermoplastic carton h will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1994377