CA414712A - Mecanisme d'avance de perforatrice a roc - Google Patents

Mecanisme d'avance de perforatrice a roc

Info

Publication number: CA414712A
Authority: CA; Canada
Prior art keywords: feeding mechanism; rock drill; drill feeding; rock; feeding
Prior art date: 1943-08-24
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

CA414712A

Other languages

English (en)

Inventor

R. Sheets Barton

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.)

Gardner Denver Inc

Original Assignee

Gardner Denver Inc

Publication date

1943-08-24

1943-08-24 Application granted granted Critical

1943-08-24 Publication of CA414712A publication Critical patent/CA414712A/fr

Status Expired legal-status Critical Current

Links

239000011435 rock Substances 0.000 title 1

CA414712A Mecanisme d'avance de perforatrice a roc Expired CA414712A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA414712T

Publications (1)

Publication Number	Publication Date
CA414712A true CA414712A (fr)	1943-08-24

Family

ID=35523906

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA414712A Expired CA414712A (fr)			Mecanisme d'avance de perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA414712A (fr)

0
- CA CA414712A patent/CA414712A/fr not_active Expired

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