FR1292050A - Perfectionnements aux chaînes de haveuses à charbon - Google Patents

Perfectionnements aux chaînes de haveuses à charbon

Info

Publication number
FR1292050A
FR1292050A FR864720A FR864720A FR1292050A FR 1292050 A FR1292050 A FR 1292050A FR 864720 A FR864720 A FR 864720A FR 864720 A FR864720 A FR 864720A FR 1292050 A FR1292050 A FR 1292050A
Authority
FR
France
Prior art keywords
ball
stem
links
joint
carrying
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
FR864720A
Other languages
English (en)
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.)
Austin Hoy and Co Ltd
Original Assignee
Austin Hoy and Co Ltd
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 Austin Hoy and Co Ltd filed Critical Austin Hoy and Co Ltd
Application granted granted Critical
Publication of FR1292050A publication Critical patent/FR1292050A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides
    • E21C25/34—Chains
    • E21C25/36—Couplings for links
    • E21C25/365—Couplings for links allowing the bending into at least two planes
FR864720A 1960-06-21 1961-06-13 Perfectionnements aux chaînes de haveuses à charbon Expired FR1292050A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2176660A GB970155A (en) 1960-06-21 1960-06-21 Improvements in or relating to coal-cutter and like cuttercarrying chains

Publications (1)

Publication Number Publication Date
FR1292050A true FR1292050A (fr) 1962-04-27

Family

ID=10168428

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864720A Expired FR1292050A (fr) 1960-06-21 1961-06-13 Perfectionnements aux chaînes de haveuses à charbon

Country Status (3)

Country Link
DE (1) DE1193450B (de)
FR (1) FR1292050A (de)
GB (1) GB970155A (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733906A (en) * 1956-02-07 Universal cutter chain for mining machines
BE490942A (de) * 1946-10-14
DE1053448B (de) * 1956-10-06 1959-03-26 Eickhoff Geb Schraemkette

Also Published As

Publication number Publication date
GB970155A (en) 1964-09-16
DE1193450B (de) 1965-05-26

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