Rerounding apparatus
Patent
·
OSTI ID:7048087
An apparatus is described for rerounding flexible water, sewer or other buried pipes in situ comprising: a housing having a substantially cylindrical portion with an outside diameter slightly less than the inside diameter of a pipe to be rerounded.
- Assignee:
- NOV; NOV-88-027067; EDB-88-177975
- Patent Number(s):
- US 4756644
- OSTI ID:
- 7048087
- Resource Relation:
- Patent File Date: Filed date 14 May 1987
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
42 ENGINEERING
PIPE JOINTS
REPAIR
TOOLS
FABRICATION
MAINTENANCE
MATERIALS HANDLING
PIPELINES
PIPES
PUBLIC UTILITIES
SEALS
SEWAGE
TRANSPORT
UNDERGROUND
WATER
HYDROGEN COMPOUNDS
JOINTS
LEVELS
OXYGEN COMPOUNDS
WASTES
320604* - Energy Conservation
Consumption
& Utilization- Municipalities & Community Systems- Municipal Waste Management- (1980-)
320603 - Energy Conservation
Consumption
& Utilization- Municipalities & Community Systems- Public Utilities- (1980-)
420205 - Engineering- Transport & Storage Facilities- (1980-)
42 ENGINEERING
PIPE JOINTS
REPAIR
TOOLS
FABRICATION
MAINTENANCE
MATERIALS HANDLING
PIPELINES
PIPES
PUBLIC UTILITIES
SEALS
SEWAGE
TRANSPORT
UNDERGROUND
WATER
HYDROGEN COMPOUNDS
JOINTS
LEVELS
OXYGEN COMPOUNDS
WASTES
320604* - Energy Conservation
Consumption
& Utilization- Municipalities & Community Systems- Municipal Waste Management- (1980-)
320603 - Energy Conservation
Consumption
& Utilization- Municipalities & Community Systems- Public Utilities- (1980-)
420205 - Engineering- Transport & Storage Facilities- (1980-)