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AT177743B - Locking of tension connections in metal during the extension of the mine - Google Patents

Locking of tension connections in metal during the extension of the mine

Info

Publication number
AT177743B
AT177743B AT177743DA AT177743B AT 177743 B AT177743 B AT 177743B AT 177743D A AT177743D A AT 177743DA AT 177743 B AT177743 B AT 177743B
Authority
AT
Austria
Prior art keywords
mine
locking
extension
metal during
tension connections
Prior art date
Application number
Other languages
German (de)
Original Assignee
Bergbaustahl Gmbh
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 Bergbaustahl Gmbh filed Critical Bergbaustahl Gmbh
Application granted granted Critical
Publication of AT177743B publication Critical patent/AT177743B/en

Links

AT177743D 1951-06-06 1952-05-30 Locking of tension connections in metal during the extension of the mine AT177743B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE177743T 1951-06-06

Publications (1)

Publication Number Publication Date
AT177743B true AT177743B (en) 1954-02-25

Family

ID=29430964

Family Applications (1)

Application Number Title Priority Date Filing Date
AT177743D AT177743B (en) 1951-06-06 1952-05-30 Locking of tension connections in metal during the extension of the mine

Country Status (1)

Country Link
AT (1) AT177743B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022988B (en) * 1955-09-30 1958-01-23 Wilhelm Reppel Multi-part expansion frame for pit expansion in ring and arch form
DE968301C (en) * 1954-12-24 1958-02-06 Bergbaustahl G M B H Flexible pit lining using tension brackets

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968301C (en) * 1954-12-24 1958-02-06 Bergbaustahl G M B H Flexible pit lining using tension brackets
DE1022988B (en) * 1955-09-30 1958-01-23 Wilhelm Reppel Multi-part expansion frame for pit expansion in ring and arch form

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