RESIN EXTRUDER - ISHIKAWAJIMA HARIMA HEAVY IND

Title:

RESIN EXTRUDER

Document Type and Number:

Japanese Patent JPH11320550

Kind Code:

A

Abstract:

To reduce a thrust load which a screw receives, and prevent a clogging from occurring on a back pressure regulating valve.

A screw 4 is provided in a cylindrical barrel 2 which is equipped with a resin inlet at the rear end part, and at the tip end part of the barrel 2, an outlet nozzle 20 having a tapered part 9a and a nozzle hole 9b, is provided, and at the same time, a back pressure regulating valve 10 is provided for this resin extruding device, and for such a resin extruding device, at an outer peripheral location of the tapered part 9a in the outlet nozzle part 20, the back pressure regulating valve 10 comprising an annular protruding part 22 which is formed in such a manner that a throttling gap S may be formed with the tip end part 4a of the screw 4 by protruding to the tip end part 4a of the screw 4, is provided.

More Like This:

JP4275860	Method of pelletizing elastic anionic polymer
WO/2019/162577	METHOD OF CARRYING OUT THERMOLYSIS AND THERMOLYSIS APPARATUS
WO/2022/129322	ROTOR SHAFT COMPRISING A HELIX FOR A DYNAMIC MIXER FOR MIXING LOW- TO HIGH-VISCOSITY COMPONENTS

Inventors:

SHIDARA YOSHIHARU
UMEZAWA YOSHIMASA
OTSUKA HIROYUKI
NOMURA AKIHIRO

Application Number:

JP13201598A

Publication Date:

November 24, 1999

Filing Date:

May 14, 1998

Export Citation:

Click for automatic bibliography generation Help

Assignee:

ISHIKAWAJIMA HARIMA HEAVY IND

International Classes:

B29B7/42; B29C48/09; (IPC1-7): B29B7/42

Attorney, Agent or Firm:

Tsunemitsu Yamada (1 person outside)

Previous Patent: PROTRUSION AND RECESS GROOVE MACHINING APPARATUS FOR ALC PANEL

Next Patent: MANUFACTURE OF PREPREG SHEET