Mold-changing apparatus for injection-molding machine

Patent 4472127 Issued on September 18, 1984. Estimated Expiration Date:

April 26, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Injection-mold clamping unit having alternately ejecting die assemblies
Patent #: 4005964
Issued on: 02/01/1977
Inventor: Bishop

Injection molding apparatus for accommodating various sizes of molding die inserts Patent #: 4202522
Issued on: 05/13/1980
Inventor: Hanas , et al.

Inventors

Assignee

Battenfeld Maschinenfabriken GmbH

Application

No. 06/488781 filed on 04/26/1983

US Classes:

425/183, Plural wear or shaping surfaces mounted for alternative use264/328.7, Including changing mold size or shape during injection or between multiple stages of injection425/186, Including support or guide means for disassembled element425/190, For extrusion or injection type shaping means425/542FEMALE MOLD AND CHARGER TO SUPPLY FLUENT STOCK UNDER PRESSURE THERETO IN FLUID-TIGHT RELATIONSHIP (E.G., INJECTION MOLD, ETC.)

Examiners

Primary: Woo, Jay H.
Assistant: McBrayer, Tinker R.

Attorney, Agent or Firm

International Classes

B29C 31/00 (20060101)
B29C 33/30 (20060101)
B29C 45/17 (20060101)

Foreign Application Priority Data

1982-04-26 DE

Abstract

An injection-molding machine whose mold-carrying plates are provided with quick-release locking devices for engagement with adapter plates on respective halves on the mold, also has at least one of the plates provided with a horizontal transverse guide for the mold whereby the mold can be inserted laterally and removed laterally. A carriage is displaceable along the machine and has roller conveyors and a device for drawing a mold from the machine onto the roller conveyor or pushing a mold from a roller conveyor onto the machine.