ATE4515T1 - METHOD AND APPARATUS FOR RESTORING THE DIAMETERS OF PLASTIC PIPES UNDERGROUND. - Google Patents

METHOD AND APPARATUS FOR RESTORING THE DIAMETERS OF PLASTIC PIPES UNDERGROUND.

Info

Publication number
ATE4515T1
ATE4515T1 AT80302998T AT80302998T ATE4515T1 AT E4515 T1 ATE4515 T1 AT E4515T1 AT 80302998 T AT80302998 T AT 80302998T AT 80302998 T AT80302998 T AT 80302998T AT E4515 T1 ATE4515 T1 AT E4515T1
Authority
AT
Austria
Prior art keywords
restoring
diameters
plastic pipes
pipes underground
underground
Prior art date
Application number
AT80302998T
Other languages
German (de)
Inventor
Richard Lee Williams
Original Assignee
Richard Lee Williams
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Richard Lee Williams filed Critical Richard Lee Williams
Priority claimed from EP80302998A external-priority patent/EP0026976B1/en
Application granted granted Critical
Publication of ATE4515T1 publication Critical patent/ATE4515T1/en

Links

AT80302998T 1979-09-04 1980-08-29 METHOD AND APPARATUS FOR RESTORING THE DIAMETERS OF PLASTIC PIPES UNDERGROUND. ATE4515T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7207379A 1979-09-04 1979-09-04
US9739579A 1979-11-26 1979-11-26
EP80302998A EP0026976B1 (en) 1979-09-04 1980-08-29 Method of and apparatus for restoring the diameter of plastic pipes located in an earth encompassing situ

Publications (1)

Publication Number Publication Date
ATE4515T1 true ATE4515T1 (en) 1983-09-15

Family

ID=27224855

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80302998T ATE4515T1 (en) 1979-09-04 1980-08-29 METHOD AND APPARATUS FOR RESTORING THE DIAMETERS OF PLASTIC PIPES UNDERGROUND.

Country Status (1)

Country Link
AT (1) ATE4515T1 (en)

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee