Title:
INJECTION MOLDING DIE
Document Type and Number:
Japanese Patent JPH1190963
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an injection molding die for molding a cylindrical hollow product. SOLUTION: For the purpose of forming an annular gate section 3 communicated with a product molding section 10, an injection molding die is provided with a cylindrical valve stem 29 disposed in a valve housing 16, a valve sleeve 28 moving reciprocatingly in the axial direction on the outer peripheral face of the valve stem 29 and opening and closing the gate section 3 and a hot runner 27 formed between the valve sleeve 28 and the valve housing 26. Also a fluid flow path forming clearance 4 is formed between the valve stem 29 and the valve sleeve 28, and a communication hole 40 communicating a hollow section 29a of the valve stem 29 with the fluid flow path forming clearances 4 is formed on the valve stem 29 to form a cooling flow path 5.
Inventors:
KAZUYAMA HARUYA
HORI HIDETAKA
HORI HIDETAKA
Application Number:
JP26058597A
Publication Date:
April 06, 1999
Filing Date:
September 25, 1997
Export Citation:
Assignee:
TOTO LTD
KATA SYSTEM KK
KATA SYSTEM KK
International Classes:
B28B1/24; B28B7/42; B29C45/28; B29C45/73; B29L22/00; (IPC1-7): B29C45/28; B28B1/24; B28B7/42; B29C45/73
Attorney, Agent or Firm:
Kenichiro Matsuo
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