JPS63172617U

JPS63172617U -

Info

Publication number: JPS63172617U
Application number: JP6479687U
Authority: JP
Priority date: 1987-04-28
Filing date: 1987-04-28
Publication date: 1988-11-09
Anticipated expiration: 2002-04-28
Also published as: JPH058096Y2

Description

[Brief explanation of drawings]

第１図は本考案バンパー成形型の要部に係る突
き出しコア型の一部斜視図、第２図は同バンパー
成形型により成形されるバンパーの側部の斜視図
、第３図は第２図のＸ―Ｘ線断面図、第４図は従
来のバンパー成形型により成形されたバンパーの
部分斜視図、第５図は既提案のバンパー成形型の
端部部分断面図である。１０……突き出しコア型、１１……バンパーの
内面の成形面、１２……折り返し部の成形面、１
３……リブ（フランジ）成形面、１４……突き出
しコア型の端部、１７……突起。 Fig. 1 is a partial perspective view of the protruding core mold that is the main part of the bumper mold of the present invention, Fig. 2 is a perspective view of the side part of the bumper formed by the bumper mold, and Fig. 3 is the same as Fig. 2. FIG. 4 is a partial perspective view of a bumper molded by a conventional bumper mold, and FIG. 5 is a partial cross-sectional view of an end portion of an already proposed bumper mold. 10... Protruding core mold, 11... Molding surface of inner surface of bumper, 12... Molding surface of folded part, 1
3...Rib (flange) molding surface, 14...End of protruding core mold, 17...Protrusion.

Claims

[Claims for Utility Model Registration] 1. A RIM mold for an automobile bumper having a folded portion at the longitudinal end and a rib at the outer edge or inside, which comprises a pair of molds,
One mold has a molding surface that molds at least part of the bumper outer surface and the folded end portion, and the other mold has a molding surface that molds the bumper inner surface, and both end molding surfaces are directed toward the center. 1. A bumper mold that is movable toward the surface of the bumper mold, characterized in that the rib molding surface of the mold is provided with a protrusion that forms a stress dispersion region on the outer edge portion or the inner rib. 2. The bumper mold according to claim 1, in which the protrusion is provided at a location where the protrusion intersects with the cut surface of the rib molding surface. 3. The bumper mold according to claim 1 or 2, wherein the protrusion has a triangular shape with the upper edge of the bumper rib portion as the oblique side. 4 Utility model registration claim Paragraph 1, in which the projecting height of the protrusion is equal to the molding thickness of the bumper rib part to be molded, or there is a gap of 1 to 5 mm between it and the outer molded surface of the rib part, The bumper mold according to item 2 or 3.