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PL131078U1 - Cutting anchor - Google Patents

Cutting anchor

Info

Publication number
PL131078U1
PL131078U1 PL131078U PL13107821U PL131078U1 PL 131078 U1 PL131078 U1 PL 131078U1 PL 131078 U PL131078 U PL 131078U PL 13107821 U PL13107821 U PL 13107821U PL 131078 U1 PL131078 U1 PL 131078U1
Authority
PL
Poland
Prior art keywords
ending
semi
angle
cutting anchor
driving screw
Prior art date
Application number
PL131078U
Other languages
Polish (pl)
Other versions
PL73186Y1 (en
Inventor
Józef Jonak
Robert Karpiński
Original Assignee
Politechnika Lubelska
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 Politechnika Lubelska filed Critical Politechnika Lubelska
Priority to PL131078U priority Critical patent/PL73186Y1/en
Publication of PL131078U1 publication Critical patent/PL131078U1/en
Publication of PL73186Y1 publication Critical patent/PL73186Y1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection

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)
  • Structural Engineering (AREA)
  • Dowels (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

Przedmiotem zgłoszenia jest kotwa urabiająca posiadająca śrubę napędową (1) z zakończeniem sześciokątnym (2) z jednej strony i z zakończeniem półkolistym (3) z drugiej strony, która charakteryzuje się tym, że na śrubie napędowej (1) od strony zakończenia półkolistego (3) znajduje się tuleja sprężysto-rozprężna (4) z podcięciem stożkowym pod kątem 30° i nakręcona jest nakrętka stożkowa (5) o kącie tworzącej 30°.The subject of the application is a mining anchor having a driving screw (1) with a hexagonal ending (2) on one side and a semi-circular ending (3) on the other side, which is characterized in that on the driving screw (1) from the side of the semi-circular ending (3) there is spring-expansion sleeve (4) with a conical undercut at an angle of 30° is inserted and a conical nut (5) with an angle of 30° is screwed on.

PL131078U 2021-10-29 2021-10-29 Cutting anchor PL73186Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL131078U PL73186Y1 (en) 2021-10-29 2021-10-29 Cutting anchor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL131078U PL73186Y1 (en) 2021-10-29 2021-10-29 Cutting anchor

Publications (2)

Publication Number Publication Date
PL131078U1 true PL131078U1 (en) 2023-06-05
PL73186Y1 PL73186Y1 (en) 2023-11-20

Family

ID=86701184

Family Applications (1)

Application Number Title Priority Date Filing Date
PL131078U PL73186Y1 (en) 2021-10-29 2021-10-29 Cutting anchor

Country Status (1)

Country Link
PL (1) PL73186Y1 (en)

Also Published As

Publication number Publication date
PL73186Y1 (en) 2023-11-20

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