Patent
   D356320
Priority
Dec 10 1993
Filed
Dec 10 1993
Issued
Mar 14 1995
Expiry
Mar 14 2009
Assg.orig
Entity
unknown
10
10
n/a
The ornamental design for an expandable core element for use with an injection molding system, as shown and described.

FIG. 1 is a perspective view from above of the expandable core element for use with an injection molding system of our invention in the relaxed, expanded, non-molding position;

FIG. 2 is a perspective view from above of our invention of FIG. 1 in a closed, molding position;

FIG. 3 is a top plan view of our design of FIG. 1;

FIG. 4 is a bottom plan view of our design of FIG. 1; and,

FIG. 5 is a side plan view of our design of FIG. 1, the other side, front and back plan views being the same.

Catalanotti, Paul, Tarahomi, Sassan

Patent Priority Assignee Title
6993816, Dec 17 2003 Smalley Steel Ring Company Retaining ring installation tool
8038433, Feb 27 2009 ROEHR TOOL SOLUTIONS, INC Expandable cavity for injection molding tool
D376084, Jan 25 1995 Attachment to hammer drills for driving in expansion shell bolts
D748172, Oct 14 2014 Victor Equipment Company Consumables adapter for a welding torch
D759137, Oct 14 2014 Victor Equipment Company Consumables adapter for a welding torch
D895776, Nov 28 2018 Graco Minnesota Inc. Brace and mount
D898880, Nov 28 2018 Graco Minnesota Inc Packings, brace, and mount assembly
D901562, Mar 29 2019 Fanuc Corporation Machining sample model for machine tools
D983240, Jan 11 2019 FUJIFILM Corporation Soft mold transfer container
D983848, Jan 11 2019 FUJIFILM Corporation Soft mold transfer container lid
Patent Priority Assignee Title
1421601,
1642947,
4130264, Oct 26 1977 GEYER WERKZEUGBAU GMBH & CO KG Expandable core for injection molding
4578028, Dec 06 1984 The Procter & Gamble Company; PROCTER & GAMBLE COMPANY THE Expandable core pin for blow-molding a container having a neck-portion with internal attachment means
4643658, Sep 26 1984 Expanding mandrel
4919608, Oct 04 1988 ROEHR TOOL ACQUISITION COMPANY Molding apparatus with collapsible core
4938679, May 18 1989 CORES UNLIMITED Collapsible core for molding closures having interrupted interior threads and the like
4956142, May 08 1989 Apparatus and method for molding three dimensional articles
5090888, Oct 05 1989 VERALTUNGSGESELLSCHAFT, GEIGER PLASTIC GMBH & CO KG , A CORP OF FED REPUBLIC OF GERMANY Die casting mold part
204019,
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 09 1993CATALANOTTI, PAULRoehr Tool CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068130101 pdf
Dec 09 1993TARAHOMI, SASSANRoehr Tool CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0068130101 pdf
Dec 10 1993Roehr Tool Corporation(assignment on the face of the patent)
Jun 13 2006ROEHR TOOL ACQUISITION COMPANYRoehr Tool CorporationCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0181200720 pdf
Jun 15 2006Roehr Tool CorporationROEHR TOOL ACQUISITION COMPANYASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0180390663 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule