Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1998-05-28
2000-12-26
Heitbrink, Jill L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
26432816, 249111, 249134, 249135, 425192R, 425552, B29C 4537
Patent
active
061654078
ABSTRACT:
A mold assembly for molding a thermoplastic resin, which comprises; (a) a first mold member and a second mold member for manufacturing a molded article of a thermoplastic resin, (b) an insert block provided in the first mold member, said insert block constituting part of a cavity, having a thickness of 0.1 mm to 10 mm and being formed of a material having a thermal conductivity of 2.times.10.sup.-2 cal/cm.multidot.sec.multidot..degree.C. or less, and (c) a molten thermoplastic resin introduction portion provided in the second mold member, wherein an insert block covering portion is formed in the second mold member, and when the first mold member and the second mold member are clamped to each other, (A) a clearance between the insert block and the insert block covering portion is equal to, or less than, 0.03 mm, and (B) an amount of overlapping of the insert block and the insert block covering portion is equal to, or greater than, 0.5 mm.
REFERENCES:
patent: 3516957 (1970-06-01), Gray et al.
patent: 4150079 (1979-04-01), Chang
patent: 4808351 (1989-02-01), Mukherjee et al.
patent: 5324473 (1994-06-01), Baresich
patent: 5376317 (1994-12-01), Maus et al.
patent: 5458818 (1995-10-01), Kim et al.
patent: 5489410 (1996-02-01), Baumgartner et al.
patent: 5676896 (1997-10-01), Izumida et al.
patent: 5741446 (1998-04-01), Tahara et al.
Ito Takayuki
Tahara Hisashi
Heitbrink Jill L.
Mitsubishi Engineering-Plastics Corp.
LandOfFree
Mold assembly for molding thermoplastic resin and method of manu 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 assembly for molding thermoplastic resin and method of manu, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mold assembly for molding thermoplastic resin and method of manu will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-991350