CA723453A - Telescopic valve - Google Patents

Telescopic valve

Info

Publication number
CA723453A
CA723453A CA723453A CA723453DA CA723453A CA 723453 A CA723453 A CA 723453A CA 723453 A CA723453 A CA 723453A CA 723453D A CA723453D A CA 723453DA CA 723453 A CA723453 A CA 723453A
Authority
CA
Canada
Prior art keywords
telescopic valve
telescopic
valve
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA723453A
Inventor
B. Conrad Martin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA723453A publication Critical patent/CA723453A/en
Expired legal-status Critical Current

Links

CA723453A Telescopic valve Expired CA723453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA723453T

Publications (1)

Publication Number Publication Date
CA723453A true CA723453A (en) 1965-12-14

Family

ID=36059028

Family Applications (1)

Application Number Title Priority Date Filing Date
CA723453A Expired CA723453A (en) Telescopic valve

Country Status (1)

Country Link
CA (1) CA723453A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928775A (en) * 1988-12-30 1990-05-29 Gas Research Institute Downhole surge valve for earth boring apparatus
US4958689A (en) * 1988-12-30 1990-09-25 Gas Research Institute Method of providing a high pressure surge of working fluid to an underground percussive mole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4928775A (en) * 1988-12-30 1990-05-29 Gas Research Institute Downhole surge valve for earth boring apparatus
US4958689A (en) * 1988-12-30 1990-09-25 Gas Research Institute Method of providing a high pressure surge of working fluid to an underground percussive mole

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