ES68391A1 - Improvements in distribution valves for mechanical drills and other mechanical percussion tools for drilling holes in rocks. - Google Patents

Improvements in distribution valves for mechanical drills and other mechanical percussion tools for drilling holes in rocks.

Info

Publication number
ES68391A1
ES68391A1 ES68391A ES68391A ES68391A1 ES 68391 A1 ES68391 A1 ES 68391A1 ES 68391 A ES68391 A ES 68391A ES 68391 A ES68391 A ES 68391A ES 68391 A1 ES68391 A1 ES 68391A1
Authority
ES
Spain
Prior art keywords
mechanical
rocks
drilling holes
drills
distribution valves
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
ES68391A
Other languages
Spanish (es)
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.)
Climax Rock Drill And Eng Works
St Stephens Raynar De Hale
Original Assignee
Climax Rock Drill And Eng Works
St Stephens Raynar De Hale
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 Climax Rock Drill And Eng Works, St Stephens Raynar De Hale filed Critical Climax Rock Drill And Eng Works
Priority to ES68391A priority Critical patent/ES68391A1/en
Publication of ES68391A1 publication Critical patent/ES68391A1/en
Expired legal-status Critical Current

Links

ES68391A 1918-11-29 1918-11-29 Improvements in distribution valves for mechanical drills and other mechanical percussion tools for drilling holes in rocks. Expired ES68391A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES68391A ES68391A1 (en) 1918-11-29 1918-11-29 Improvements in distribution valves for mechanical drills and other mechanical percussion tools for drilling holes in rocks.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES68391A ES68391A1 (en) 1918-11-29 1918-11-29 Improvements in distribution valves for mechanical drills and other mechanical percussion tools for drilling holes in rocks.

Publications (1)

Publication Number Publication Date
ES68391A1 true ES68391A1 (en) 1918-12-16

Family

ID=64239326

Family Applications (1)

Application Number Title Priority Date Filing Date
ES68391A Expired ES68391A1 (en) 1918-11-29 1918-11-29 Improvements in distribution valves for mechanical drills and other mechanical percussion tools for drilling holes in rocks.

Country Status (1)

Country Link
ES (1) ES68391A1 (en)

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