FR645461A - Installation of signals for pits, with provision for blocking the extraction machine - Google Patents

Installation of signals for pits, with provision for blocking the extraction machine

Info

Publication number
FR645461A
FR645461A FR645461DA FR645461A FR 645461 A FR645461 A FR 645461A FR 645461D A FR645461D A FR 645461DA FR 645461 A FR645461 A FR 645461A
Authority
FR
France
Prior art keywords
pits
provision
blocking
installation
signals
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
Other languages
French (fr)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR645461A publication Critical patent/FR645461A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/06—Applications of signalling devices
FR645461D 1927-10-05 1927-12-09 Installation of signals for pits, with provision for blocking the extraction machine Expired FR645461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE645461X 1927-10-05

Publications (1)

Publication Number Publication Date
FR645461A true FR645461A (en) 1928-10-26

Family

ID=6580717

Family Applications (1)

Application Number Title Priority Date Filing Date
FR645461D Expired FR645461A (en) 1927-10-05 1927-12-09 Installation of signals for pits, with provision for blocking the extraction machine

Country Status (1)

Country Link
FR (1) FR645461A (en)

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