Slush molding method with selective heating of mold by air jets

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4623503
SERIAL NO

06673810

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method wherein an article is molded of a heat-fusing material or plastisol, either liquid or dry, in a mold having an array of gas impingement jets disposed adjacent the backside of a mold surface for controlling the temperature over respective first and second areas of the mold surface. There is included first and second gas heating and cooling circuits each including a blower and dampers for supplying gas at the gas impingement jets associated with the mold. All of the gas impingement jets are supplied with heated gas to preheat the mold surface to a non-gelling temperature and a liquid plastisol coating is applied to the mold surface. To obtain the coating, the mold is filled and the excess plastisol is removed from the mold by dumping the plastisol from the mold into a dump tank. In a liquid plastisol process, a first group of gas jets arranged in close proximity to the mold maintain a temperature higher than the temperature of the liquid in the first area of the mold to a higher temperature than the second area.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
Ex-Cell-O CorporationTROY, MI1

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anestis, Emmanuel Raymond, NH 1 41
Wakefield, Frederick I Durham, NH 2 48

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 4357381 Thermoplastic building enclosure member 10 1980
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Peguform-Werke GmbH (1)
* 5221539 Apparatus for the production of molded skins and bodies of plastic material 37 1992
 
INTERNATIONAL AUTOMOTIVE COMPONENTS GROUP NORTH AMERICA, INC. (5)
7425294 Plastic skin forming process 0 2002
7550103 Plastic skin forming process 1 2003
* 2004/0113,322 Plastic skin forming process 1 2003
* 2004/0065,981 Plastic skin forming process 0 2003
* 2005/0274,821 Heated spray applicator 0 2004
 
COLLINS & AIKMAN AUTOMOTIVE COMPANY INC. (2)
6814915 Method for annealing an electrodeposition structure 0 2002
* 2003/0173,705 Method for annealing an electrodeposition structure 0 2002
 
MAGNA SEATING INC (1)
6210614 Process of making decorative automotive interior trim articles with cast integral light-stable covering containing invisible tear seam 20 1998
 
UNIFUSE LLC (1)
* 6589470 Process for producing molded plastic articles 19 2001
 
Roto Plastics, Inc. (1)
* 6409954 Method of making a rotary molded plastic member with variable wall thickness 9 1999
 
EQUISTAR CHEMICALS, LP (1)
* 2004/0028,769 Foam sandwich composite molding method and apparatus 1 2003
 
TEXTRON AUTOMOTIVE COMPANY INC. (1)
6632525 Material and method for manufacturing plastic parts 2 2000
 
BAYER MATERIALSCIENCE LLC (3)
* 5654102 Material for manufacturing plastic parts 5 1995
* 5525284 Process for manufacturing plastic parts 17 1995
* 5998030 Material for manufacturing plastic parts 7 1997
 
DAVIDSON TEXTRON INC. (3)
* 5106285 Air and water delivery system for a shell mold 22 1991
* 5466412 Method for forming an outer skin for a cover assembly 24 1993
* 5501890 Invisible tear seam for an air bag deployment opening cover 11 1995
 
COLLINS & AIKMAN AUTOMOTIVE INTERIORS, LLC (7)
* 4839117 Method and apparatus for forming a composite foam shell and insert article 15 1988
* 4925151 Apparatus for molding two-tone colored plastic shells 34 1989
* 5037687 Method and apparatus for forming a 360 degree skin handle 17 1989
* 5173228 Method for forming a 360 degree skin handle 6 1991
* 5230855 Method for forming smooth handle 4 1992
* 5225214 Laterally adjustable divider wall for molding two color shells 15 1992
* 5527574 Reinforced air bag door cover and method for making same 10 1995
 
TOYOTA MOTOR CORPORATION (1)
6981862 Slush molding machine 0 2003
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (2)
6893600 Injection mold machine with reduced mold change downtime 5 2002
* 2004/0099,995 Injection mold machine with reduced mold change downtime 1 2002
 
COLLINS & AIKMAN PRODUCTS, LLC (3)
* 4890995 Mold apparatus for forming shaped plastic shells 9 1989
* 5443777 Method for producing an invisible tear seam for an air bag deployment opening cover 20 1992
* 5429784 Method for making a reinforced air bag door cover 10 1993
 
DAIDSON TEXTRON INC., (1)
* 4851177 Method for forming shaped plastic shells 9 1987
 
COLLINS & AIKMAN PRODUCTS CO. (2)
* 5288103 Airbag cover and apparatus for producing an invisible tear seam therein 26 1992
* 5445510 Mold heating apparatus 10 1993
 
KONAL ENGINEERING AND EQUIPMENT INC. (2)
* 6019590 Slush molding apparatus 8 1997
6284182 Molding process employing heated fluid 7 1999
 
GRUPO ANTOLÍN-IRAUSA, S.A. (4)
* 6013210 Process for making decorative automotive interior trim articles with cast integral light stable covering 34 1998
6656596 Decorative automotive interior trim articles with cast integral light stable covering and process for making the same 9 1999
6958190 Decorative automotive interior trim articles with cast integral light stable covering and process for making the same 1 2003
7247382 Decorative automotive interior trim articles with cast integral light stable covering and process for making the same 3 2005
 
Ex-Cell-O Corporation (1)
* 4683098 Apparatus for reducing waste in a plastic mold 19 1986
 
COLLINS & AIKMAN CORPORATION (1)
7147201 Method for annealing an electrodeposition structure 0 2004
 
MAGNA INTERIOR SYSTEMS INC. (2)
* 6082989 Slush molding apparatus 4 1998
6461561 Slush molding process 1 2000
 
FORD GLOBAL TECHNOLOGIES, LLC (2)
6976701 Airbag door and method for making same 13 2004
* 2004/0183,280 Airbag door and method for making same 1 2004
 
Essef Corporation (1)
* 5356589 Method and apparatus for forming rotationally cast tank liner having an end fitting 20 1993
* Cited By Examiner