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Title:
RUBBER KNEADING MACHINE
Document Type and Number:
WIPO Patent Application WO/2004/007165
Kind Code:
A1
Abstract:
A rubber kneading machine, comprising two rolls (1, 2) horizontally and closely disposed in vertical direction, speed reducers (16a, 16b) and variable speed motors (15a, 15b) for variably rotating these rolls, a screw extruder (3) for supplying rubber lumps charged into a hopper (4) at a base end between the rolls, a rubber circulating mechanism having a scraper (33) and a belt conveyor (34) or a belt conveyor (35) over the upper roll (1) for feeding a rubber sheet delivered from the rolls (1, 2) to the hopper (4), and a screw extruder (3) opening mechanism to open and expose the inside of the closed part of a rubber feeding mechanism for facilitating cleaning, whereby a worker must not bring a rotating roll surface into contact with rubber for rubber kneading operation, unmanned operation is also allowed substantially safely, a productivity can be increased in a rubber kneading process, the quality of kneaded rubber can be stably assured, and the rubber feeding mechanism of closed structure can be easily opened and exposed for facilitated cleaning.

Inventors:
YADA YASUO (JP)
YADA TATSUO (JP)
Application Number:
PCT/JP2003/008721
Publication Date:
January 22, 2004
Filing Date:
July 09, 2003
Export Citation:
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Assignee:
SUZUKA ENGINEERING CO LTD (JP)
YADA YASUO (JP)
YADA TATSUO (JP)
International Classes:
B01F7/08; B01F15/00; B29B7/18; B29B7/24; B29B7/56; B29B7/02; B29C47/52; B29C48/35; B29C48/355; B29C48/38; B29C47/08; B29C47/40; B29C47/60; B29C69/00; B29K21/00; (IPC1-7): B29B7/66; B01F13/00; B01F13/10; B01F7/08; B29C43/22
Domestic Patent References:
WO2001047678A12001-07-05
Foreign References:
JPH10138243A1998-05-26
JPH11314261A1999-11-16
JPH07237236A1995-09-12
JPH10138243A1998-05-26
JPH11314261A1999-11-16
Other References:
See also references of EP 1552914A4
Attorney, Agent or Firm:
Hayashi, Hiroshi c/o Hayashi International Patent Office (Daiichi Taishotatemono Building 9-12, Nishishinjuku 1-chom, Shinjuku-ku Tokyo, JP)
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