JOSEPH EPSTEIN
Barber in Philadelphia, PA
License number
Pennsylvania BL014615L
Category
Barber Examiners
Type
Barber
Address
Address
Philadelphia, PA 19152
Professional information
Heat Transfer Conduit
US Patent:
4205720, Jun 3, 1980
Filed:
Jan 5, 1979
Appl. No.:
6/001140
Inventors:
Joseph Epstein - Philadelphia PA
International Classification:
F28D 106
US Classification:
165169
Abstract:
A heat transfer conduit for attachment to the end of a heat transfer vessel is arranged as a spiral and has a uniform distance between adjacent coils. The conduit has a uniform cross-section with an arcuate periphery of between 130. degree. and 150. degree. of a circle.