JPS57180794A - Tree cap for pit port apparatus - Google Patents

Tree cap for pit port apparatus

Info

Publication number
JPS57180794A
JPS57180794A JP6425381A JP6425381A JPS57180794A JP S57180794 A JPS57180794 A JP S57180794A JP 6425381 A JP6425381 A JP 6425381A JP 6425381 A JP6425381 A JP 6425381A JP S57180794 A JPS57180794 A JP S57180794A
Authority
JP
Japan
Prior art keywords
tree cap
port apparatus
pit port
pit
tree
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.)
Granted
Application number
JP6425381A
Other languages
Japanese (ja)
Other versions
JPS5824595B2 (en
Inventor
Norimasa Arashima
Takamasa Arikawa
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP6425381A priority Critical patent/JPS5824595B2/en
Publication of JPS57180794A publication Critical patent/JPS57180794A/en
Publication of JPS5824595B2 publication Critical patent/JPS5824595B2/en
Expired legal-status Critical Current

Links

JP6425381A 1981-04-30 1981-04-30 Tree cap for wellhead equipment Expired JPS5824595B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6425381A JPS5824595B2 (en) 1981-04-30 1981-04-30 Tree cap for wellhead equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6425381A JPS5824595B2 (en) 1981-04-30 1981-04-30 Tree cap for wellhead equipment

Publications (2)

Publication Number Publication Date
JPS57180794A true JPS57180794A (en) 1982-11-06
JPS5824595B2 JPS5824595B2 (en) 1983-05-21

Family

ID=13252816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6425381A Expired JPS5824595B2 (en) 1981-04-30 1981-04-30 Tree cap for wellhead equipment

Country Status (1)

Country Link
JP (1) JPS5824595B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108599U (en) * 1984-12-21 1986-07-09
CN103277065B (en) * 2013-05-23 2015-11-18 宝鸡石油机械有限责任公司 A kind of underwater production tree cup

Also Published As

Publication number Publication date
JPS5824595B2 (en) 1983-05-21

Similar Documents

Publication Publication Date Title
GB2108173B (en) Apparatus for tile-setting
DE3262494D1 (en) Web-tracking apparatus
PH20637A (en) Oxygen scavenger
ZA815680B (en) Insert retention apparatus
DE3275920D1 (en) Cork extractor
DE3171652D1 (en) Plug removal apparatus
GB2103522B (en) Dividing-head apparatus
AU7719181A (en) Putting practice apparatus
GB8212749D0 (en) Apparatus
DE3268429D1 (en) Handling apparatus
ZA828067B (en) Apparatus for deatering
DE3265924D1 (en) Slitter-rewinder apparatus
GB2107570B (en) Fastener-attaching apparatus
DE3266152D1 (en) Hydro-therapy apparatus
JPS57152830A (en) Tree trunck cutting apparatus
GB2092631B (en) Thread-splicing apparatus
GB8319069D0 (en) Handling apparatus
JPS57161297A (en) Tigtening apparatus
GB2104137B (en) Kentledge apparatus
ZA825327B (en) Irrigation apparatus
GB8213510D0 (en) Apparatus
JPS57180794A (en) Tree cap for pit port apparatus
GB2099999B (en) Tympanometric apparatus
GB2103462B (en) Irrigation apparatus
GB2099591B (en) Furniture-testing apparatus