Manufacturing method of film-like materials of resin and...

Details Manufacturing method of film-like materials of resin and... Manufacturing method of film-like materials of resin and...

2007-05-29

2007-05-29

Cain, Edward J. (Department: 1714)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S425000, C524S445000, C524S447000, C524S451000, C524S492000

Reexamination Certificate

active

10091576

ABSTRACT:
A film-like materials of resin manufacturing method for producing a film-like material made of a resin by rolling a thermoplastic resin material containing a thermoplastic resin using a molding apparatus comprising first rotation molding members composed of a pair of rollers, wherein the method is characterized in that the rotation molding is carried out under the conditions satisfying the following inequalities of the line contact pressure P (kN/m) applied to the thermoplastic resin, the peripheral velocity R (m/sec) of the rollers of the first rotation molding members, and the thickness H (m) of the film-like material made of the resin after rolling. (formula 1) 3×9.8≦P (formula 2) 3×9.8×10−6≦P/(R/H2)≦2×9.8×10−5, wherein the reference character P denotes the line contact pressure P (kN/m), the reference character R denotes the peripheral velocity (m/sec) of the rotation molding members, and the reference character H denotes the thickness (m) of the film-like material made of the resin after rolling.

REFERENCES:
patent: 5132074 (1992-07-01), Isozaki et al.
patent: 5783271 (1998-07-01), Nishida et al.
patent: 7-173302 (1995-07-01), None
patent: 10-296766 (1998-11-01), None
patent: 10-306119 (1998-11-01), None

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