The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 04, 1997

Filed:

Sep. 08, 1994
Applicant:
Inventors:

Benedikt Pollock, Essen, DE;

Albert Schr oder, Wuppertal, DE;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264138 ; 249 52 ; 249 54 ; 249109 ; 249112 ; 249164 ; 249167 ; 249170 ; 264225 ; 264227 ; 425175 ; 425179 ;
Abstract

An apparatus for making a mold for forming positive models identical to a positive master has upper and lower mold shells having confronting and contiguous rims lying in respective planes. The shells are dimensioned when juxtaposed to spacedly contain the master. A clamp is engageable with the shells generally at the rims to hold the shells together with the plane of their rims spaced apart.


Find Patent Forward Citations

Loading…