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ES446901A1 - Perfeccionamientos introducidos en una barrena de perfora- cion. - Google Patents

Perfeccionamientos introducidos en una barrena de perfora- cion.

Info

Publication number
ES446901A1
ES446901A1 ES446901A ES446901A ES446901A1 ES 446901 A1 ES446901 A1 ES 446901A1 ES 446901 A ES446901 A ES 446901A ES 446901 A ES446901 A ES 446901A ES 446901 A1 ES446901 A1 ES 446901A1
Authority
ES
Spain
Prior art keywords
auger
conical
translation
machine
legally binding
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
ES446901A
Other languages
English (en)
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.)
Sandvik AB
Original Assignee
Sandvik AB
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 Sandvik AB filed Critical Sandvik AB
Priority to ES446901A priority Critical patent/ES446901A1/es
Publication of ES446901A1 publication Critical patent/ES446901A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
ES446901A 1976-04-10 1976-04-10 Perfeccionamientos introducidos en una barrena de perfora- cion. Expired ES446901A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES446901A ES446901A1 (es) 1976-04-10 1976-04-10 Perfeccionamientos introducidos en una barrena de perfora- cion.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES446901A ES446901A1 (es) 1976-04-10 1976-04-10 Perfeccionamientos introducidos en una barrena de perfora- cion.

Publications (1)

Publication Number Publication Date
ES446901A1 true ES446901A1 (es) 1977-05-16

Family

ID=8471345

Family Applications (1)

Application Number Title Priority Date Filing Date
ES446901A Expired ES446901A1 (es) 1976-04-10 1976-04-10 Perfeccionamientos introducidos en una barrena de perfora- cion.

Country Status (1)

Country Link
ES (1) ES446901A1 (es)

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