Interchangeable mold insert system

Details Interchangeable mold insert system Interchangeable mold insert system

2007-11-06

2007-11-06

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C249S102000, C425S195000

Reexamination Certificate

active

10531238

ABSTRACT:
An insert system for an injection mold apparatus is provided. The mold has a mold cavity plate (14) and a mold core plate (12) each secured to mold bases (16, 18), relatively movable between open and closed positions, each having opposing faces, the faces meeting to define a mold cavity between the two faces. At least one of the mold plate faces defines a facial pocket (40) therein for insertion of a mold insert (30). The mold insert is secured to an insert rod (36). The mold plate having the facial pocket (40) defines a passageway (46) extending from the facial pocket through the plate (12) and mold base (16). The insert rod is insertable into the passageway to a position where the insert sits within said facial pocket at a prelock position, where said insert is only partially inserted into said facial pocket. Preferably, the insert is biased in this prelock position. Locking means (64, 66, 38, 70, 74, 76, 101, 63A,63B) is operably connected to the insert rod (36), operable from the periphery of said mold base, to releasably lock the insert rod within said passage and, thus, the insert from said prelock position to a fully inserted position where the insert sits flush with the mold plate face.

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“Injection Molding Handbook”; Rosato D V; pp. 282-285, figures 4-77, no date.
“Volltauschbares Werkzeug-Wechselsystem”; Plastverabeiter, Zechner Und Huethig, vol. 45, Nr. 5, pp. 42-43, figure 2, Jan. 1994.

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