Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1998-08-03
2000-11-21
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
264 464, 264 468, 2643281, 2961467, 425112, 425127, 4251291, B29C 4514
Patent
active
06149853&
ABSTRACT:
An automotive interior door panel having a decorative covering displayed to the interior compartment of a vehicle and a rigid substrate having a backing surface. The backing surface includes a plurality of energy absorbers integrally molded thereon. The method utilizing the following steps. A low-pressure or high pressure injection mold operable between open and closed positions is moved to the open position. The mold has a covering receiving surface and an energy absorber producing surface. A flexible covering is positioned juxtaposed the covering receiving surface. The mold is moved to the closed position to create a space between the covering and the energy absorber producing surface. A molten plastic material is injected into the space to form the door substrate. The substrate has a nominal cross-sectional thickness between said energy absorbers. The energy absorber producing surface includes a plurality of recesses having a width 75% or more of the nominal substrate thickness producing thick-walled energy absorbers on the backing surface. The molten plastic material fuses to the covering to from an integral door panel. The plastic material is allowed to cool and shrink. The plastic shrinkage produces depressions in the substrate called sink marks overlying the intersection between the energy absorber and the substrate wall. The covering bridges the sink marks to conceal the depressions and produce an aesthetically pleasing surface.
REFERENCES:
patent: 3989275 (1976-11-01), Finch et al.
patent: 4306381 (1981-12-01), Presto
patent: 4685722 (1987-08-01), Srock
patent: 4786100 (1988-11-01), Kleemann et al.
patent: 4917433 (1990-04-01), Tomforde
patent: 4969680 (1990-11-01), Shimoda
patent: 5040335 (1991-08-01), Grimes
patent: 5102163 (1992-04-01), Ishikawa
patent: 5308138 (1994-05-01), Hlavaty
patent: 5413661 (1995-05-01), Spengler et al.
patent: 5433478 (1995-07-01), Naruse
patent: 5456957 (1995-10-01), Jackson et al.
patent: 5536060 (1996-07-01), Rashid et al.
patent: 5573272 (1996-11-01), Teshima
patent: 5580122 (1996-12-01), Muehlhausen
patent: 5593182 (1997-01-01), Frost
patent: 5636866 (1997-06-01), Suzuki et al.
patent: 5641195 (1997-06-01), Patel et al.
patent: 5667868 (1997-09-01), Freeman
patent: 5679301 (1997-10-01), Miklas et al.
patent: 5709407 (1998-01-01), Stephens et al.
patent: 5716093 (1998-02-01), Sadr
patent: 5756189 (1998-05-01), Nagano et al.
patent: 5811053 (1998-09-01), Ota et al.
patent: 6004498 (1999-12-01), Fujii et al.
Bauer Dave Joseph
Cramer Dale O.
Liu Leon Bruce
Luckett Thomas Junior
Thyagarajan Ravi
Lee Edmund H.
Shelton Larry I.
Vargot Mathieu D.
Visteon Global Technologies Inc.
LandOfFree
Method for manufacturing interior door panels having concealed v does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for manufacturing interior door panels having concealed v, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for manufacturing interior door panels having concealed v will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1254066