Continuously rotary thermo-forming systems and apparatus of the

Details Continuously rotary thermo-forming systems and apparatus of the Continuously rotary thermo-forming systems and apparatus of the

1980-08-13

1983-12-20

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

264554, B29C 302, B29F 500

Patent

active

044217129

ABSTRACT:
Methods and apparatus are provided for pressure and/or plug assist and match molding configurations for in-line continuous rotary thermo-forming systems. The pressure assist, plug assist and matched mold devices are carried on continuous endless loop indexing structures which accurately index them with the mold cavities in respective rotary mold wheels to achieve high thermo-forming speeds without loss of quality in the ultimate products. The drives of the continuous endless loop indexing structures are synchronized with those of the mold wheel. The systems are continuous ones in which the webs to be thermo-formed are continuously extruded and from which the thermo-formed products are continuously cut and stacked downstream of the rotary mold wheel, with the web selvage being returned and recycled into the extrusion device.

REFERENCES:
patent: 2949639 (1960-08-01), Woodward
patent: 3071812 (1963-01-01), Miller
patent: 3238565 (1966-03-01), Jacobs
patent: 3329306 (1967-07-01), Stein
patent: 3667889 (1972-06-01), Martelli
patent: 3770860 (1973-11-01), Amberg et al.
patent: 4061706 (1977-12-01), Duffield et al.
patent: 4211743 (1980-07-01), Nauta et al.
patent: 4235579 (1980-11-01), Kurz et al.
patent: 4239727 (1980-12-01), Myers et al.
patent: 4244915 (1981-01-01), Boardman

Affiliated with

Also associated with

Rating

Continuously rotary thermo-forming systems and apparatus of the does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Continuously rotary thermo-forming systems and apparatus of the , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Continuously rotary thermo-forming systems and apparatus of the will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-107023