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Class Information
Number: 425/180
Name: Plastic article or earthenware shaping or treating: apparatus > Means forming a mold; or flask, per se > Three part flask
Description: Apparatus wherein the internal walls of a container confining the mold forming material are made up of at least three parts.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7507080 |
Apparatus for the manufacture of muffles for the production of dental prosthetic parts |
Mar. 24, 2009 |
| 6994538 |
Apparatus and method for molding optical lenses |
Feb. 7, 2006 |
| 6921652 |
Process of hydrolyzing oil or fat in a packed layer of immobilized enzyme |
Jul. 26, 2005 |
| 6428802 |
Preparing artificial organs by forming polylayers of different cell populations on a substrate |
Aug. 6, 2002 |
| 6386503 |
Mold for embedding casts in an embedding compound for producing molds for dental workpieces |
May. 14, 2002 |
| 5338192 |
Dental flask expander and method of use |
Aug. 16, 1994 |
| 5175008 |
Device for supplying plastic material for denture base and flask with the same |
Dec. 29, 1992 |
| 5151279 |
Method for making resin dental plates and flasks |
Sep. 29, 1992 |
| 5110278 |
Injection molding apparatus for producing a toric lens casting mold arbor |
May. 5, 1992 |
| 4957435 |
Dental laboratory die tray |
Sep. 18, 1990 |
| 4946637 |
Molding method |
Aug. 7, 1990 |
| 4218205 |
Three-section self-sealing dental flask |
Aug. 19, 1980 |
| 4013259 |
Mold apparatus for forming rings |
Mar. 22, 1977 |
| 3988094 |
Dental flask |
Oct. 26, 1976 |
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