The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 06, 1998

Filed:

Jun. 12, 1996
Applicant:
Inventor:

Hiromi Nakano, Takasago, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
425186 ; 425190 ; 4251 / ; 425194 ; 4253761 ;
Abstract

To prevent an extruding material from moving in and between an extruder body and a contact surface of side guides and to provide automation of adjustment of a sheet width. A roller head extruder in which a pair of calendar rolls 8 are disposed forwardly of a material extruding opening 4 of an extruder body 1, a pair of left and right side guides 9 are disposed so that a material extruded from said extruding opening 4 is molded into a sheet form by the calendar rolls 8, wherein said side guides 9 can be automatically moved in a direction of the sheet width by a moving cylinder 19 and secured to the front surface of a flange portion 5 of the extruder body 1 by a fastening force releasable fastening means. The fastening force is added by a spring 15 and the fastening force is released by a jack 18. The fastening force urges the side guides 9 against the extruder body 1 so that no extruding material flows between the side guides 9 and the extruder body 1.


Find Patent Forward Citations

Loading…