Process for producing skin-integrated laminate

Details Process for producing skin-integrated laminate Process for producing skin-integrated laminate

1994-10-13

1997-04-22

Silbaugh, Jan H.

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

264510, 425112, 4251291, B29C 4500, B29C 4700, A23G 122, A23G 120

Patent

active

056226675

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

This invention relates to a process for producing a skin-integrated laminate in which a skin is accurately integratedly adhered in layer to a molded synthetic resin substrate from its one side to the other end surface and to a mold assembly for use therein.


BACKGROUND ART

A skin-integrated laminate in which a skin material is adhered integratedly in layer to one side of a molded synthetic resin substrate is widely used for interior automotive trims, for example, automotive door trim and the like. Recently, however, there is a tendency that the diversification of designs and the like is accompanied by needs of molded synthetic resin substrate having such a complicated shape that turnup is present around the molded substrates. In such articles, a skin material is required to be accurately adhered integrately in layer to the molded synthetic resin substrate from its one side to its edge, namely end surface. However, a method has heretofore been adopted by which a divided mold which slides horizontally to the end surface is used to force a skin material to the end surface to thereby wrap the end surface in the skin material as disclosed in, for example, Japanese Patent Application Kokai No. 61-137,714.
However, in a method as mentioned above, the skin material in the state that its end is clamped by a clamping mechanism is forcibly extended and integrated with the end surface of the molded synthetic resin substrate, and therefore, there has been such a problem that the residual stress of the skin material after the molding and the thermal shrinkage accompanying the heat resistance test cause the skin material to shrink, whereby such a phenomenon that the molded synthetic resin substrate layer inside the skin material exposes is caused to make the appearance bad. Also, there has been such a problem that since the special divided mold must be used, the molding process is complicated and the apparatus per se is also complicated.


DISCLOSURE OF THE INVENTION

This invention has been completed for the purpose of solving the prior art problems mentioned above and providing a process for producing a skin-integrated laminate exhibiting a high quality by which simultaneously with the forming of a molded synthetic resin substrate, the molded substrate is firmly wrapped in a skin material to its end surface and the skin material is adhered integratedly in layer to the molded substrate, whereby a high quality skin-integrated laminate exhibiting excellent appearance, whose skin material does not shrink even after the molding can be produced in a good efficiency, wherein the apparatus per se used has a very simple structure and its maintenance and inspection and the like can be easily conducted and also providing a mold assembly to be used therein.


BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a longitudinal front view showing an example of the mold assembly of this invention.
FIG. 2 is a process-explaining view of an example of the process of this invention showing a step in which a skin material is set.
FIG. 3 is a process-explaining view of an example of the process of this invention showing a step in which a molten resin material as a substrate is fed.
FIG. 4 is a process-explaining view of an example of the process of this invention showing a step in which a male mold and a female mold are clamped.
FIG. 5 is a process-explaining view of an example of the process of this invention showing a step in which a molded article is taken out.
FIG. 6 is a sectional view of a skin-integrated laminate produced by the process of this invention.
Incidentally, in the drawings, symbols have the following meanings:


______________________________________ 1 Female mold 2 Male mold 3 Clamping mechanism 4 Plate mold 5 Pointed end part for forming the end surface 10 End opening 11 Cavity 20 Skin-integrated laminate 21 Skin material 22 Synthetic resin substrate ______________________________________


BEST MODE FOR CARRYING OUT THE INVENTION

This invention made for solving the above-mentioned pr

REFERENCES:
patent: 5128090 (1992-07-01), Fujii et al.
patent: 5238640 (1993-08-01), Masui et al.

Affiliated with

Also associated with

Rating

Process for producing skin-integrated laminate does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing skin-integrated laminate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing skin-integrated laminate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-339486