Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – With accumulator – trap chamber – or serially arranged valves...
Reexamination Certificate
2005-11-17
2008-07-15
Heitbrink, Tim (Department: 1791)
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
With accumulator, trap chamber, or serially arranged valves...
C425S559000, C425S560000, C425S561000
Reexamination Certificate
active
07399178
ABSTRACT:
In an injection device10having a plunger11reciprocably inserted into a heating cylinder16, in which a molten material M is injected by the plunger11via a nozzle21, a sealing portion13set so that the molten material M is prevented from easily entering a gap A between the plunger11and an inner wall32of the heating cylinder16is provided on the portion of the plunger11, on the side of the nozzle21, and the portion of the sealing portion13, on the side of the nozzle21is a core keeping portion14provided so that an annular portion20which is formed on a front portion of the plunger11and is connected to a storage portion19of the molten material M is formed between the core keeping portion14and the inner wall32of the heating cylinder16.
REFERENCES:
patent: 6554603 (2003-04-01), Schreiner et al.
patent: 61-106220 (1986-05-01), None
Makino Yoshimasa
Shinoda Takashi
Browdy and Neimark
Heitbrink Tim
Kabushiki Kaisha Meiki Seisakusho
LandOfFree
Injection device having a reciprocal plunger 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 device having a reciprocal plunger, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Injection device having a reciprocal plunger will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3973344