Injection molding method and apparatus having improved detachable clamping unit with horizontal booking dies
AssigneesLibbey-Owens-Ford Co., Roll-Tech, Inc.
InventorsCharles E. Ash, John H. Gillen, John M. Clark
Life of this patent
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Abstract
A molding method and apparatus is shown which utilizes a plasticizing or injection unit in combination with a horizontal booking press having a first or moveable mold platen carrying a first portion of a mold or molds, and a second, or fixable, door platen carrying a second portion of a mold or molds. The door platen swings open and closed on a hinge, and is fixable in its closed position. When the moveable mold platen is in its′ closed position adjacent the fixed position of the door platen, a mold cavity is formed by the first and second portions of the mold or molds, and material is injected into the mold cavity.
Claims11
An injection molding apparatus comprising:
- a) an injection unit having a base, and a means for leveling said injection unit attached to said base;
- b) a clamping unit and a frame extending vertically therefrom, said clamping unit having a fully accessible mold and being fully interchangeable with another clamping unit;
- said clamping unit comprising a horizontal booking press;
- and
- c) an attachment means for connecting said clamping unit to said injection unit, said attachment means comprising an abutment mechanism and an attachment mechanism.
A compact injection molding apparatus comprising an injection unit and a clamping unit, the clamping unit further comprising:
- a) a frame member;
- b) a moveable mold platen attached to said frame member for substantially reciprocal movement with regard to a fixable door platen in a closed position;
- c) means to move said movable platen, wherein said means to move said movable platen includes a powered actuator connected to said movable platen;
- d) a first portion of a mold attached to said moveable mold platen;
- e) said door platen hingedly mounted to said frame member and fixable in a fixed relationship with regard to said moveable platen when said moveable platen is in an advanced position;
- f) means to move said door platen, wherein said means to move said door platen includes a powered actuator connected to said door platen;
- g) a second portion of a mold attached to said fixable door platen;
- h) means to control said means to move said moveable mold platen and said means to move said fixable door platen;
- i) wherein direct access to said first mold portion is gained through a door opening that is defined in said frame member when said door platen is in the open position;
- j) further, wherein said compact molding apparatus is movable from place to place, as needed;
- and
- k) an attachment means for connecting said clamping unit to said injection unit, said attachment means comprising an abutment mechanism and an attachment mechanism.
Dependencies are inferred from the claim text.