Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SHAFT SEAL DEVICE IN PUMP FOR FEEDING FUSED PLASTIC MATERIAL
Document Type and Number:
Japanese Patent JPH07279857
Kind Code:
A
Abstract:

PURPOSE: To cool a fused plastic material leaking through a grand packing with no affection upon a pump body so as to safely solidify a fused plastic material.

CONSTITUTION: In a shaft seal device 1, a packing retainer 9 located laterally of a packing box 3, is composed of a cylindrical part 9a abutting against a grand packing loosely fitted on a shaft 3, a body 9b integrally incorporated with a body 9b, and a bolt 10 and a nut 11 screwed onto the nut 11, by which the degree of fastening the grand packing 4 can be adjusted. An annular jacket chamber 13 is formed in the body 9b, surrounding around a gap between the body 9b and the shaft 3. An accumulating chamber 16 communicated with the gap 12, and a discharge port 17 communicated with the accumulating chamber 16 and opened downward, are formed in the body 9b.


Inventors:
YOSHIDA TOMOHIKO
Application Number:
JP1994000069664
Publication Date:
October 27, 1995
Filing Date:
April 07, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MARUHACHI PUMP SEISAKUSHO KK
International Classes:
F04C27/00; F04B53/08; F04C2/08; F04C13/00; F04C29/04; (IPC1-7): F04B53/08; F04C2/08; F04C13/00; F04C27/00; F04C29/04
Domestic Patent References:
JP2109074B
JPS5377306A1978-07-08
JP58072563B
Attorney, Agent or Firm:
石田 喜樹