Device for uniform web pinning

Details Device for uniform web pinning Device for uniform web pinning

1981-01-28

1982-01-12

Lowe, James B.

Plastic article or earthenware shaping or treating: apparatus

Means casting fluent stock operably associated with shaping...

264556, B29D 702

Patent

active

043102956

ABSTRACT:
A device for uniform pinning of molten web material onto a quench roll by means of at least two vacuum zones interacting through a baffle, one vacuum zone extending past the line of contact of the web on the quench roll to encompass a portion of the web edge laid onto the casting drum.

REFERENCES:
patent: 2688155 (1954-09-01), Nadeau et al.
patent: 2714745 (1955-08-01), Kenyon
patent: 3347962 (1967-10-01), Dieck et al.
patent: 3520964 (1970-07-01), Metz, Jr.
patent: 3638604 (1972-02-01), Herzhoff et al.
patent: 3645773 (1972-02-01), Herzhoff et al.
patent: 3663292 (1972-05-01), Herzhoff et al.
patent: 3735729 (1973-05-01), Bird
patent: 3749053 (1973-07-01), Timson

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