Extrusion head device

Details Extrusion head device Extrusion head device

2007-12-18

2007-12-18

Davis, Robert (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S133500, C425S188000, C425S462000

Reexamination Certificate

active

11184948

ABSTRACT:
An extrusion head device in which fixed and movable head parts as a plurality of separate parts can be easily combined using compact fastening means. Fastening cylinder rods provided for the fixed head part of the extrusion head device including the fixed and movable head parts are expanded, whereby fore-end locking portions at tips of the fastening cylinder rods are inserted into through holes of engaging blocks provided for the movable head to be protruded from upper surfaces of the engaging blocks; stopper-operating cylinder rods provided for the movable head part are expanded, whereby U-shaped stoppers at tips of the stopper-operating cylinder rods are inserted into clearances between the locking portions and the engaging blocks; and then the fastening cylinder rods are contracted, whereby the movable and fixed head parts are brought into tight contact with each other and fastened together.

REFERENCES:
patent: 4666392 (1987-05-01), Gerloff et al.
patent: 4799874 (1989-01-01), Bellmer et al.
patent: 4824353 (1989-04-01), Hirschkorn
patent: 5332380 (1994-07-01), Unland
patent: 5720986 (1998-02-01), Gohlisch et al.
patent: 5851561 (1998-12-01), Hirschkorn
patent: 6273703 (2001-08-01), Hirschkorn
patent: 2609261 (1988-06-01), None

Affiliated with

Also associated with

Rating

Extrusion head device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Extrusion head device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Extrusion head device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3838708