Polytetrafluoroethylene molded product in block form and...

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

Reexamination Certificate

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Details

C428S421000, C264S108000, C264S115000, C264S127000, C264S331140

Reexamination Certificate

active

06899932

ABSTRACT:
A block-shaped baked molded article having little block deformation amount is obtained in order to reduce a loss of materials until a stable film or sheet can be cut from a block-shaped molded article. After a polytetrafluoroethylene powder is compression-molded to form a preform, the resultant preform is baked while being rotated, thereby to produce a polytetrafluoroethylene molded article.

REFERENCES:
patent: 5032335 (1991-07-01), Wilson
patent: 5683639 (1997-11-01), Ebnesajjad et al.
patent: 1504174 (1969-08-01), None
patent: 1704281 (1971-05-01), None
patent: 0 970 799 (2000-01-01), None
patent: 1027712 (1966-06-01), None
patent: 3197122 (1991-08-01), None
patent: 4185426 (1992-07-01), None
patent: 6262693 (1994-09-01), None
patent: 06015663 (1997-01-01), None

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