US Patent 7270536 Screw tip and molding system apparatus

Patent 7270536 was granted and assigned to Husky Injection Molding Systems on September, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Husky Injection Molding Systems

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7270536

Patent Inventor Names

Robert Ilmonen0

Date of Patent

September 18, 2007

Patent Application Number

10844456

Date Filed

May 13, 2004

Patent Primary Examiner

‌

Tim Heitbrink

Patent abstract

A screw tip for use in a molding system apparatus is disclosed. The screw tip includes a connection section and screw tip head section. The screw tip head houses an entry port, or entry ports, an accumulation chamber, and a check valve chamber. A check valve is provided when assembled with the screw tip. The check valve may be a cylindrical plate or a spherical member or a conical member.