Plastic article or earthenware shaping or treating: apparatus – Female mold and means to shape parison directly by internal... – With heating or cooling means
Reexamination Certificate
2007-02-06
2007-02-06
Davis, Robert B. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Female mold and means to shape parison directly by internal...
With heating or cooling means
C249S079000
Reexamination Certificate
active
10478456
ABSTRACT:
Fluid flow grooves (11) with a flat cross section being formed between the back surface of a metal mold (2) for blow molding and a back-up member (4) which adheres tightly to this back surface. A plurality of these fluid flow grooves (11) are provided, and these fluid flow grooves are disposed densely in parallel with partition walls (21) interposed between the grooves. Fluid inlets (12) and outlets (13) are formed in the respective fluid flow grooves (11). A heating fluid or cooling fluid enters the respective fluid flow grooves (11) via the inlets (12) from a fluid supply manifold (14). The fluid flows out of the outlets (13), enters a fluid discharge manifold (15), and is discharged to the outside. Rapid heating and rapid cooling of the metal mold (2) are performed, no irregularity occurs in temperature, and the cycle time can be shortened, so that a metal mold device for blow molding in which the energy consumption is small can be obtained.
REFERENCES:
patent: 2326041 (1943-08-01), Lavallee
patent: 3020595 (1962-02-01), Szajna
patent: 3249672 (1966-05-01), Richards et al.
patent: 3768948 (1973-10-01), Horberg et al.
patent: 3978910 (1976-09-01), Gladwin
patent: 4872827 (1989-10-01), Noda
patent: 6843646 (2005-01-01), Ryan et al.
patent: 2239626 (1991-07-01), None
patent: 04086212 (1992-03-01), None
patent: 6-73589 (1994-03-01), None
patent: 06238728 (1994-08-01), None
patent: 7-214568 (1995-08-01), None
patent: 9-164583 (1997-06-01), None
patent: 10-235722 (1998-09-01), None
Rosato et al, Injection Molding Handbook, 2nd Edition, 1995, p. 668, figure 9-14.
Menig, Mold Making Handbook, 2nd edition, 1998, pp. 117-118.
Rosato et al, Blow Molding Handbook, 1989, pp. 282-285.
Fukuhara Naoshige
Nishioka Kazumichi
Tachibana Naoaki
Davis Robert B.
Koda & Androlia
Minoru Kasei Company, Limited
LandOfFree
Metal mold device for blow molding does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Metal mold device for blow molding, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metal mold device for blow molding will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3820363