PL327727A1 - Hook-headed bolt - Google Patents

Hook-headed bolt

Info

Publication number
PL327727A1
PL327727A1 PL32772798A PL32772798A PL327727A1 PL 327727 A1 PL327727 A1 PL 327727A1 PL 32772798 A PL32772798 A PL 32772798A PL 32772798 A PL32772798 A PL 32772798A PL 327727 A1 PL327727 A1 PL 327727A1
Authority
PL
Poland
Prior art keywords
hook
headed bolt
headed
bolt
Prior art date
Application number
PL32772798A
Other versions
PL193003B1 (en
Inventor
Dieter Mueller
Original Assignee
Mueller & Borggraefe Kg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7840258&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PL327727(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mueller & Borggraefe Kg filed Critical Mueller & Borggraefe Kg
Publication of PL327727A1 publication Critical patent/PL327727A1/en
Publication of PL193003B1 publication Critical patent/PL193003B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
PL327727A 1997-08-27 1998-07-27 Hook-headed bolt PL193003B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1997137225 DE19737225C2 (en) 1997-08-27 1997-08-27 Hook head screw

Publications (2)

Publication Number Publication Date
PL327727A1 true PL327727A1 (en) 1999-03-01
PL193003B1 PL193003B1 (en) 2006-12-29

Family

ID=7840258

Family Applications (1)

Application Number Title Priority Date Filing Date
PL327727A PL193003B1 (en) 1997-08-27 1998-07-27 Hook-headed bolt

Country Status (2)

Country Link
DE (1) DE19737225C2 (en)
PL (1) PL193003B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110043242A (en) * 2019-03-11 2019-07-23 北京安科兴业科技股份有限公司 A kind of bump monitoring and pre-alarming method based on the acquisition of stress high frequency

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7420140U (en) * 1974-09-19 Vibru Gmbh Clamping bolt for suspension device that can be clamped with a pit support section
DE7135951U (en) * 1971-09-22 1971-12-23 Schaefer H HANGING DEVICE FOR CABLE CLAMPS
DE3050520C2 (en) * 1980-10-23 1985-09-19 Müller & Borggräfe KG, 5820 Gevelsberg Carrying claw for, in particular, arch-shaped extension of the underground mine
DE3200085A1 (en) * 1981-02-13 1983-07-14 Müller u. Borggräfe KG, 5820 Gevelsberg Load suspension device for support sections in underground working
DE3504319C1 (en) * 1985-02-08 1985-09-05 Hoesch Ag, 4600 Dortmund Hook-head screw for the clamping strap connection of channel profile segments
DE3939151C1 (en) * 1989-11-27 1991-02-28 Amd Anlagen- Und Maschinenbau Drevenack Gmbh, 4224 Huenxe, De Load hanger for mine - has support claws with headed bolts for support profile

Also Published As

Publication number Publication date
DE19737225A1 (en) 1999-03-18
PL193003B1 (en) 2006-12-29
DE19737225C2 (en) 2002-10-10

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Legal Events

Date Code Title Description
LAPS Decisions on the lapse of the protection rights

Effective date: 20130727