WILLIAM A SHERMAN
Engineering in Worcester, MA
License number
Massachusetts 13628
Expiration Date
Jun 30, 1984
Type
Chemical Engineer
Address
Address
Worcester, MA 01606
Professional information
Method Of Bonding A Phenol-Based Thermoplastic Resin To A Cured And Molded Thermoset Phenolic Plastic
US Patent:
4088729, May 9, 1978
Filed:
Nov 14, 1975
Appl. No.:
5/632026
Inventors:
William F. Sherman - Paxton MA
International Classification:
B29B 114, B29B 302
US Classification:
264259
Abstract:
A method of making grinding wheel mounts by molding a central hub onto a thermoset plastic abrasive disc is provided. An aromatic polycarbonate thermoplastic resin is molded to form a hub on a cured thermoset plastic abrasive disc. It is believed that the polycarbonate forms both a mechanical and chemical bond with the thermoset plastic to provide an efficient method of producing grinding wheels.
Process Of Making A Grinding Wheel Assembly
US Patent:
4054425, Oct 18, 1977
Filed:
Nov 14, 1975
Appl. No.:
5/632024
Inventors:
William F. Sherman - Paxton MA
International Classification:
C09K 314
US Classification:
51298R
Abstract:
A method of making grinding wheel mounts by molding a central hub onto a thermoset plastic abrasive disc is provided. An aromatic polycarbonate thermoplastic resin is molded to form a hub on a cured thermoset plastic abrasive disc. It is believed that the polycarbonate forms both a mechanical and chemical bond with the thermoset plastic to provide an efficient method of producing grinding wheels.
Method Of Binding A Phenol-Based Thermoplastic Resin To A Cured And Molded-Thermoset Phenolic Plastic
US Patent:
4267290, May 12, 1981
Filed:
Apr 4, 1978
Appl. No.:
5/893381
Inventors:
William F. Sherman - Paxton MA
International Classification:
C08L 6110
US Classification:
525465
Abstract:
A method of making grinding wheel mounts by molding a central hub onto a thermoset plastic abrasive disc is provided. An aromatic polycarbonate thermoplastic resin is molded to form a hub on a cured thermoset plastic abrasive disc. It is believed that the polycarbonate forms both a mechanical and chemical bond with the thermoset plastic to provide an efficient method of producing grinding wheels.