IT1197109B - Method for penetration of piles into ground - Google Patents

Method for penetration of piles into ground

Info

Publication number
IT1197109B
IT1197109B IT21512/86A IT2151286A IT1197109B IT 1197109 B IT1197109 B IT 1197109B IT 21512/86 A IT21512/86 A IT 21512/86A IT 2151286 A IT2151286 A IT 2151286A IT 1197109 B IT1197109 B IT 1197109B
Authority
IT
Italy
Prior art keywords
compressed air
major part
drill
channels
drill bit
Prior art date
Application number
IT21512/86A
Other languages
Italian (it)
Other versions
IT8621512A0 (en
IT8621512A1 (en
Inventor
Sven-Erik Bjerking
Sven Goran Anderson
Original Assignee
Sandvik Rock Tools 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 Rock Tools Ab filed Critical Sandvik Rock Tools Ab
Priority to IT21512/86A priority Critical patent/IT1197109B/en
Publication of IT8621512A0 publication Critical patent/IT8621512A0/en
Publication of IT8621512A1 publication Critical patent/IT8621512A1/en
Application granted granted Critical
Publication of IT1197109B publication Critical patent/IT1197109B/en

Links

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  • Earth Drilling (AREA)

Abstract

The method is for penetrating a casting through sensible overburden or sensible structures. It uses a drill operated by compressed air with its lower part guided through exhaust channels (14,142). This directs the major part of the compressed air upwards to lead it away between the casing (2) and the drill stem together with the cuttings. A minor part of the compressed air is directed towards the drill bit (13) which is then sucked upwards along the side walls of the drill bit by jet action from the major part. Compressed airflow in the channels is controlled to regulate the minor flow intensity. The major part is directed through the exhaust channels which have adjustable passage area and are exchangeable.
IT21512/86A 1986-08-22 1986-08-22 Method for penetration of piles into ground IT1197109B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT21512/86A IT1197109B (en) 1986-08-22 1986-08-22 Method for penetration of piles into ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21512/86A IT1197109B (en) 1986-08-22 1986-08-22 Method for penetration of piles into ground

Publications (3)

Publication Number Publication Date
IT8621512A0 IT8621512A0 (en) 1986-08-22
IT8621512A1 IT8621512A1 (en) 1988-02-22
IT1197109B true IT1197109B (en) 1988-11-25

Family

ID=11182905

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21512/86A IT1197109B (en) 1986-08-22 1986-08-22 Method for penetration of piles into ground

Country Status (1)

Country Link
IT (1) IT1197109B (en)

Also Published As

Publication number Publication date
IT8621512A0 (en) 1986-08-22
IT8621512A1 (en) 1988-02-22

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