Method of and apparatus for forming rubber strip materials...

Details Method of and apparatus for forming rubber strip materials... Method of and apparatus for forming rubber strip materials...

2004-02-27

2008-03-11

Knable, Geoffrey L. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S130000, C264S040600, C264S211230

Reexamination Certificate

active

07341640

ABSTRACT:
Method for forming a rubber strip which enables a wider rubber of small thickness without lowering an extruding speed and enables to reduce a building cycle time, thereby increasing the efficiency of tire manufacturing. Temperatures at a main-part casing11, a screw shaft12and a head region included with the die13are controlled to be different from each other in a manner that: the temperature as controlled in the main-part casing11is higher than that in the screw shaft12; and the temperature as controlled in the head region is higher than that in the main-part casing11, when continuously extruding a rubber material in a form of a ribbon in forming a rubber strip1.

REFERENCES:
patent: 2688770 (1954-09-01), Henning
patent: 2746089 (1956-05-01), Hendry
patent: 5156781 (1992-10-01), Böhm et al.
patent: 2002/0089077 (2002-07-01), Ogawa et al.
patent: 2002-205512 (2002-07-01), None

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