Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1986-09-25
1988-08-23
Anderson,, Philip
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
249142, 264 466, 264 468, 264250, 264255, 264DIG83, 425120, 425127, 425817R, 4283166, 4283197, B32B 326, B32B 518, B29C 6722, B29C 3910
Patent
active
047660252
ABSTRACT:
A composite molded article and a method of fabricating such an article is disclosed, which is especially well-suited for forming one-piece interior vehicle panels, by way of a single molding operation, wherein the one-piece interior panel can be easily installed as a unit within the vehicle. In the fabrication of the one-piece molded composite article, a deformable sheet material, such as vinyl, is positioned on a female molding surface and drawn into conformity with the female molding surface of the mold cavity, either with or without preheating or vacuum forming. The mold apparatus is closed and a first moldable material is introduced into the mold assembly, with certain predetermined portions thereof being blocked off. Subsequently, a second moldable material is introduced at least into the predetermined areas previously blocked off during the introduction of the first moldable material. By such a process, the one-piece molded article can be fabricated essentially in a single integrated operation, as a one-piece structure, while maintaining the capability of providing various materials or various characteristics at different locations on the one-piece article.
REFERENCES:
patent: 3112987 (1963-12-01), Griffiths et al.
patent: 4303728 (1981-12-01), Houdek et al.
patent: 4420447 (1983-12-01), Nakashima
patent: 4444705 (1984-04-01), Kumasaka et al.
patent: 4529639 (1985-07-01), Peoples, Jr. et al.
SAE Technical Paper Series 820423--"RIM Urethane/Vinyl Composites as Interior Trim Parts", Max F. Mann, Mobay Chemical Corp. 2/22-26/82.
Piechura Michael L.
Sanok John L.
Anderson Philip
Sheller Globe Corp.
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