Forming structure for embossing and debossing polymeric webs

Details Forming structure for embossing and debossing polymeric webs Forming structure for embossing and debossing polymeric webs

2006-04-18

2006-04-18

Heckenberg, Donald (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

C425S326100, C425S363000, C425S387100, C425S388000

Reexamination Certificate

active

07029264

ABSTRACT:
A forming structure for use in an apparatus for making formed polymeric film. The forming structure comprises a first portion comprising a network of interconnecting members defining apertures, the apertures being spaced in a pattern defining a first percent open area, a second portion being solid and having no apertures and zero percent open area; and a third portion being a transition between and joining the first and second portions, the transition portion exhibiting a second percent open area, the second percent open area of the third portion being less than the first percent open area of first portion.

REFERENCES:
patent: 2567275 (1951-09-01), Colombo
patent: RE23910 (1954-12-01), Smith
patent: 2912723 (1959-11-01), Roberts
patent: 3054148 (1962-09-01), Zimmerli
patent: 3247579 (1966-04-01), Cattermole
patent: 3453712 (1969-07-01), MacKendrick
patent: 3518726 (1970-07-01), Banks
patent: 3613208 (1971-10-01), Seberg
patent: 3674221 (1972-07-01), Riemersma
patent: 4151240 (1979-04-01), Lucas
patent: 4342314 (1982-08-01), Radel
patent: 4463045 (1984-07-01), Ahr
patent: 4601868 (1986-07-01), Radel
patent: 4609518 (1986-09-01), Curro
patent: 4629643 (1986-12-01), Curro
patent: 4778644 (1988-10-01), Curro

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