CA1008843A - Internally pressurized load supporting mast - Google Patents

Internally pressurized load supporting mast

Info

Publication number
CA1008843A
CA1008843A CA203,987A CA203987A CA1008843A CA 1008843 A CA1008843 A CA 1008843A CA 203987 A CA203987 A CA 203987A CA 1008843 A CA1008843 A CA 1008843A
Authority
CA
Canada
Prior art keywords
load supporting
internally pressurized
supporting mast
pressurized load
mast
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
CA203,987A
Inventor
Thomas L. Elliston
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Baker Oil Tools Inc
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 Baker Oil Tools Inc filed Critical Baker Oil Tools Inc
Priority to CA203,987A priority Critical patent/CA1008843A/en
Priority to CA269,995A priority patent/CA1021317A/en
Application granted granted Critical
Publication of CA1008843A publication Critical patent/CA1008843A/en
Expired legal-status Critical Current

Links

CA203,987A 1974-07-03 1974-07-03 Internally pressurized load supporting mast Expired CA1008843A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA203,987A CA1008843A (en) 1974-07-03 1974-07-03 Internally pressurized load supporting mast
CA269,995A CA1021317A (en) 1974-07-03 1977-01-19 Internally pressurized load supporting mast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA203,987A CA1008843A (en) 1974-07-03 1974-07-03 Internally pressurized load supporting mast

Publications (1)

Publication Number Publication Date
CA1008843A true CA1008843A (en) 1977-04-19

Family

ID=4100575

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,987A Expired CA1008843A (en) 1974-07-03 1974-07-03 Internally pressurized load supporting mast

Country Status (1)

Country Link
CA (1) CA1008843A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256009A (en) * 2013-04-25 2013-08-21 南阳二机石油装备(集团)有限公司 Door type derrick with crown block adjustable in transverse direction and longitudinal direction
CN112209292A (en) * 2020-10-29 2021-01-12 德清世锦智能科技有限公司 Building site work piece lifting machinery device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256009A (en) * 2013-04-25 2013-08-21 南阳二机石油装备(集团)有限公司 Door type derrick with crown block adjustable in transverse direction and longitudinal direction
CN103256009B (en) * 2013-04-25 2015-09-23 南阳二机石油装备(集团)有限公司 The door type derrick that a kind of overhead traveling crane can laterally and longitudinally regulate
CN112209292A (en) * 2020-10-29 2021-01-12 德清世锦智能科技有限公司 Building site work piece lifting machinery device

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