Mold base hold retainer

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means to lock mold in closed position

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C425S451900

Reexamination Certificate

active

07614873

ABSTRACT:
One embodiment of a locking device for first and second mold plates of an injection molding machine comprises a base attached to the first mold plate, the base having first and second bores extending therethrough, the first and second bores having first and second bore centerlines, respectively, wherein the first bore centerline substantially intersects the second bore centerline, an actuator having an actuator first end, wherein the actuator is within the first bore, a member which at least partly covers the first bore, a biasing element between the actuator and the member, a block attached to the second mold plate, the block having a projection with projection first and second ends and a projection longitudinal axis, wherein the projection first end is substantially rigidly connected to the block, wherein the projection second end fits within the second bore, the projection second end comprising a projection contact surface.

REFERENCES:
patent: 3706116 (1972-12-01), Drazick
patent: 3737268 (1973-06-01), Ryder
patent: 3844703 (1974-10-01), Hutter
patent: 3945620 (1976-03-01), Ruegg
patent: 4403810 (1983-09-01), Bieneck
patent: 4704078 (1987-11-01), Hehl
patent: 4765585 (1988-08-01), Wieder
patent: 5114329 (1992-05-01), Nakamura et al.
patent: 5397226 (1995-03-01), Vandenberg
patent: 5494435 (1996-02-01), Vandenberg
patent: 6116891 (2000-09-01), Starkey
patent: 6431852 (2002-08-01), Vandenberg
patent: 6491512 (2002-12-01), Vandenberg
patent: 6921256 (2005-07-01), Bokich
patent: 7229269 (2007-06-01), Cerniglia
patent: 2004/0178536 (2004-09-01), Kato et al.
patent: 2005/0266111 (2005-12-01), Ciccone et al.
patent: 2007/0087081 (2007-04-01), Ichikawa
patent: 1 619 412 (2006-01-01), None
patent: 658488 (1951-10-01), None
patent: 2001038435 (2001-02-01), None
patent: WO 2004/097257 (2004-11-01), None
An 8 page PDF file from an online catalog published by Progressive Comp. DME Corp. in 2007 @ http://www.procomps.com.
2 pages from Progressive Components International Corporation entitled “Progressive Components Introduces New Roller Pullers TM for Parting Line Sequencing” from a Jun. 6, 2007 publication.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Mold base hold retainer does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

     

Profile ID: LFUS-PAI-O-4090429

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.