GERALD L GOLDMAN
Land Surveyors in Pittsburgh, PA
License number
Pennsylvania SU005915E
Category
Engineers
Type
Professional Land Surveyor
Address
Address
Pittsburgh, PA 15218
Professional information
Expansion Joint Structures
US Patent:
4397579, Aug 9, 1983
Filed:
Jun 8, 1981
Appl. No.:
6/271259
Inventors:
Gerald L. Goldman - Pittsburgh PA
Joseph W. Gallagher - Pittsburgh PA
William A. Merlack - Pittsburgh PA
Joseph W. Gallagher - Pittsburgh PA
William A. Merlack - Pittsburgh PA
Assignee:
Columbia Chase Corporation - Braintree MA
International Classification:
E01C 1102
US Classification:
404 60
Abstract:
An expansion joint and seal structure for the variable width space between roadway, bridge or like sections subject to expansion and contraction is provided in the form of an elongate elastomer member having spaced transverse passages of generally rectangular cross section with rounded corners in which metal bars of like cross section but shorter length are inserted, both the passages and bars have cooperating indexing devices which center the bars in each passage spaced equidistant from the ends thereof so as to maintain them over the space between the roadway, bridge or like sections.
Expansion Joint Structures
US Patent:
4569615, Feb 11, 1986
Filed:
Aug 2, 1983
Appl. No.:
6/519595
Inventors:
Gerald L. Goldman - Pittsburgh PA
Joseph W. Gallagher - Pittsburgh PA
William A. Merlack - Pittsburgh PA
Joseph W. Gallagher - Pittsburgh PA
William A. Merlack - Pittsburgh PA
Assignee:
Columbia Chase Corporation - Braintree MA
International Classification:
E01C 1110
US Classification:
404 65
Abstract:
An expansion joint and seal structure for the variable width space between roadway, bridge or like sections subject to expansion and contraction is provided in the form of an elongate elastomer member having spaced transverse passages of generally rectangular cross section with rounded corners in which metal bars of like cross section but shorter length are inserted, both the passages and bars have cooperating indexing devices which center the bars in each passage spaced equidistant from the ends thereof so as to maintain them over the space between the roadway, bridge or like sections.