Title:
PLASTICIZING SCREW
Document Type and Number:
WIPO Patent Application WO/1998/035813
Kind Code:
A1
Abstract:
A plasticizing screw suitable for use in injection molding machines and extruders, which comprises a mixing portion (7) adapted to rotate in a cylinder and formed with a plurality of grooves (7a, 7b). Stepped or sloped notches (2, 3) communicating with the grooves (7a, 7b) forward in a direction of rotation are formed on an outer peripheral surface (7d), except for the grooves (7a, 7b), of the mixing portion (7).
Inventors:
KINOSHITA KIYOSHI (JP)
UWAZI TETUO (JP)
KARIYA TOSHIHIKO (JP)
UWAZI TETUO (JP)
KARIYA TOSHIHIKO (JP)
Application Number:
PCT/JP1998/000547
Publication Date:
August 20, 1998
Filing Date:
February 10, 1998
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
KINOSHITA KIYOSHI (JP)
UWAZI TETUO (JP)
KARIYA TOSHIHIKO (JP)
KINOSHITA KIYOSHI (JP)
UWAZI TETUO (JP)
KARIYA TOSHIHIKO (JP)
International Classes:
B29C45/60; B29C48/395; B29C48/56; B29C48/67; B29C48/03; (IPC1-7): B29C47/60; B29C45/60
Foreign References:
| JPS6332603B2 | 1988-06-30 | |||
| JPS5642035Y2 | 1981-10-01 | |||
| JPH07276462A | 1995-10-24 | |||
| JPH0739619Y2 | 1995-09-13 | |||
| JPS6356048B2 | 1988-11-07 |
Other References:
See also references of EP 0904924A4
Attorney, Agent or Firm:
Sanada, Tamotsu (8th floor 10-31, Kichijoji-honcho 1-chom, Musashino-shi Tokyo, JP)
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