ROBERT W LIMES
Engineers in Cleveland, OH
License number
Pennsylvania PE014523L
Category
Engineers
Type
Professional Engineer
Address
Address
2
Cleveland, OH 44131
Pennsylvania
Pennsylvania
Professional information
Production Of Fast-Setting Bonded Aggregate Structures
US Patent:
4059455, Nov 22, 1977
Filed:
Jun 17, 1976
Appl. No.:
5/697114
Inventors:
Robert W. Limes - Seven Hills OH
Robert O. Russell - Fairview Park OH
Robert O. Russell - Fairview Park OH
Assignee:
Republic Steel Corporation - Cleveland OH
International Classification:
C04B 3504
US Classification:
106 58
Abstract:
A method of preparing a fast-setting concrete or the like by mixing, with an aggregate containing magnesia, ammonium phosphates in aqueous solution, wherein the composition of the phosphates is about 20% to 58% by weight polyphosphates, balance orthophosphate.
Fire Protection Materials And Methods Of Making Them
US Patent:
4262055, Apr 14, 1981
Filed:
Jan 8, 1979
Appl. No.:
6/001474
Inventors:
Robert O. Russell - Fairview Park OH
Robert W. Limes - Seven Hills OH
Robert C. Best - Chagrin Falls OH
Robert W. Limes - Seven Hills OH
Robert C. Best - Chagrin Falls OH
Assignee:
Republic Steel Corporation - Cleveland OH
International Classification:
C04B 3504, B05D 302, B32B 904
US Classification:
428341
Abstract:
A fire protection material, suitable for use as a coating for structural members, produced by mixing a lightweight refractory aggregate including magnesia with ammonium phosphates in aqueous solution, wherein the composition of the phosphates is at least about 20% by weight polyphosphates, balance orthophosphate, and allowing the mixture to set as a fire protection coating or body having a bulk density of not more than about 50 lb. /ft. sup. 3.