Bob Ray Drain
Engineers at 24 St, Phoenix, AZ
License number
Colorado 13102
Issued Date
Feb 15, 1975
Renew Date
Jan 28, 1983
Expiration Date
Jan 28, 1983
Type
Professional Engineer
Address
Address
2810 S 24Th St SUITE 119, Phoenix, AZ 85034
Personal information
See more information about Bob Ray Drain at radaris.comName
Address
Phone
PO Box 3081, Carefree, AZ 85377
Cave Creek, AZ
6405 Old Paint Trl, Carefree, AZ 85377
Professional information
See more information about Bob Ray Drain at trustoria.com
Apparatus For Curing Masonry Units
Apparatus For Curing Masonry Units
US Patent:
4337033, Jun 29, 1982
Filed:
Jan 2, 1981
Appl. No.:
6/222055
Inventors:
Bob R. Drain - Phoenix AZ
International Classification:
F27B 1500, F27B 516
US Classification:
432197
Abstract:
Masonry units are cured in a kiln having a gaseous atmosphere including water vapor. A portion of this atmosphere is withdrawn and mixed with a flowing stream of heated water. This mixture is injected into a body of water disposed within the kiln at a plurality of spaced apart locations and beneath the surface of the body of water whereupon the gaseous atmosphere is heated and rises to and escapes from the surface of the body of water in the form of bubbles. In a preferred embodiment, the apparatus for withdrawal of atmosphere from the kiln includes an aspirator incorporated in a conduit which also circulates heated water to the body of water within the kiln.
Method And Apparatus For Curing Masonry Units
Method And Apparatus For Curing Masonry Units
US Patent:
4244904, Jan 13, 1981
Filed:
Mar 21, 1978
Appl. No.:
5/888630
Inventors:
Bob R. Drain - Phoenix AZ
International Classification:
B28B 1700
US Classification:
264 82
Abstract:
Masonry units are cured in a kiln having a gaseous atmosphere including water vapor. A portion of this atmosphere is withdrawn and mixed with a flowing stream of heated water. This mixture is injected into a body of water disposed within the kiln at a plurality of spaced apart locations and beneath the surface of the body of water whereupon the gaseous atmosphere is heated and rises to and escapes from the surface of the body of water in the form of bubbles. In a preferred embodiment, the apparatus for withdrawal of atmosphere from the kiln includes an aspirator incorporated in a conduit which also circulates heated water to the body of water within the kiln.