Injection moulding device comprising needle valve nozzles in...

Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With means between charger and mold to cut off flow of...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C425S572000

Reexamination Certificate

active

07854605

ABSTRACT:
The present invention relates to injection molding apparatus (10) comprising a main manifold plate (16) fitted with at least several flow ducts (18), further at least two auxiliary manifold plates (22) fitted with several flow ducts (24), said auxiliary manifold plates being configured above and underneath the main manifold plate (16), the flow ducts (24) of the particular auxiliary manifold plates (22) fluidly communicating with those of the main manifold plate (16), further with needle valve nozzles (26) configured in mutually opposite and back-to-back manner and fluidly communicating with the flow ducts (24) of the auxiliary manifold plates (22), where the needle valve nozzles (26) each comprise one valve needle (28) to open/close a nozzle outlet aperture, and further pneumatically or hydraulically actuated plunger units (units (30; 71) driving the valve needles (28), said plunger units being received in at least one separate receiving plate (32; 70) configured between the auxiliary manifold plates (22), and further means cooling and/or thermally insulating the minimum of one receiving plate (32; 70).

REFERENCES:
patent: 7025586 (2006-04-01), Fischer et al.
patent: 7121820 (2006-10-01), Tooman et al.
patent: 0 374 353 (1990-06-01), None
patent: 0 893 226 (1999-01-01), None
patent: 1 184 152 (2002-03-01), None
patent: 2 294 041 (1976-07-01), None
patent: 1017239 (2002-07-01), None

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

Injection moulding device comprising needle valve nozzles in... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Injection moulding device comprising needle valve nozzles in..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Injection moulding device comprising needle valve nozzles in... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4163669

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