GB1552644A - Device for tightening pretensioning and undoing a screwed joint - Google Patents

Device for tightening pretensioning and undoing a screwed joint

Info

Publication number
GB1552644A
GB1552644A GB33270/76A GB3327076A GB1552644A GB 1552644 A GB1552644 A GB 1552644A GB 33270/76 A GB33270/76 A GB 33270/76A GB 3327076 A GB3327076 A GB 3327076A GB 1552644 A GB1552644 A GB 1552644A
Authority
GB
United Kingdom
Prior art keywords
undoing
pretensioning
tightening
screwed joint
screwed
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
GB33270/76A
Other languages
English (en)
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.)
Motala Verkstad AB
Original Assignee
Motala Verkstad AB
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 Motala Verkstad AB filed Critical Motala Verkstad AB
Publication of GB1552644A publication Critical patent/GB1552644A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B29/00—Accessories
    • B25B29/02—Bolt tensioners

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
GB33270/76A 1975-08-11 1976-08-10 Device for tightening pretensioning and undoing a screwed joint Expired GB1552644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7508991A SE403728B (sv) 1975-08-11 1975-08-11 Anordning for atdragning, forspenning och losgoring av ett skruvforband

Publications (1)

Publication Number Publication Date
GB1552644A true GB1552644A (en) 1979-09-19

Family

ID=20325274

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33270/76A Expired GB1552644A (en) 1975-08-11 1976-08-10 Device for tightening pretensioning and undoing a screwed joint

Country Status (7)

Country Link
US (1) US4062254A (https=)
JP (1) JPS5222654A (https=)
CH (1) CH608200A5 (https=)
DE (1) DE2635678C3 (https=)
DK (1) DK344276A (https=)
GB (1) GB1552644A (https=)
SE (1) SE403728B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124119A (en) * 1982-06-26 1984-02-15 Hydra Tight Ltd A hydraulic bolt tensioning tool with power drive for rotating a nut

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311078C2 (de) * 1982-03-27 1986-02-20 Klaus-Dieter 2800 Bremen Grützmacher Hydraulische Spannmutter
DE3237324A1 (de) * 1982-10-08 1984-04-12 Mierbach, Hans B., 5300 Bonn Hydraulisches vorspanngeraet fuer eine schraubenverbindung
US5406867A (en) * 1993-06-16 1995-04-18 Unex Corporation Mechanical tensioner
WO2004070216A1 (ja) * 2003-02-10 2004-08-19 Imai, Tooru 液体圧装置
CN109895008B (zh) * 2019-03-25 2020-10-09 日信电气股份有限公司 一种用于螺栓的自动液压拧紧器
CN109895007B (zh) * 2019-03-25 2020-10-09 日信电气股份有限公司 一种基于油缸的螺栓拧紧器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230799A (en) * 1963-10-23 1966-01-25 Diamond Power Speciality Stud tensioner
SE369218B (https=) * 1972-12-27 1974-08-12 J Piroska

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124119A (en) * 1982-06-26 1984-02-15 Hydra Tight Ltd A hydraulic bolt tensioning tool with power drive for rotating a nut

Also Published As

Publication number Publication date
DE2635678B2 (de) 1979-03-22
SE403728B (sv) 1978-09-04
JPS5222654A (en) 1977-02-21
DK344276A (da) 1977-02-12
DE2635678C3 (de) 1979-11-15
SE7508991L (sv) 1977-02-12
JPS5535568B2 (https=) 1980-09-16
DE2635678A1 (de) 1977-02-17
CH608200A5 (https=) 1978-12-29
US4062254A (en) 1977-12-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee