FI902891A - FOERFARANDE FOER STENKILNING OCH KIL. - Google Patents

FOERFARANDE FOER STENKILNING OCH KIL. Download PDF

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Publication number
FI902891A
FI902891A FI902891A FI902891A FI902891A FI 902891 A FI902891 A FI 902891A FI 902891 A FI902891 A FI 902891A FI 902891 A FI902891 A FI 902891A FI 902891 A FI902891 A FI 902891A
Authority
FI
Finland
Prior art keywords
stenkilning
kil
och
foerfarande foer
tip
Prior art date
Application number
FI902891A
Other languages
Finnish (fi)
Other versions
FI89625B (en
FI902891A0 (en
FI89625C (en
Inventor
Kari Saarikoski
Jouko Ritola
Original Assignee
Vtt Technology Oy Inc
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 Vtt Technology Oy Inc filed Critical Vtt Technology Oy Inc
Priority to FI902891A priority Critical patent/FI89625C/en
Publication of FI902891A0 publication Critical patent/FI902891A0/en
Publication of FI902891A publication Critical patent/FI902891A/en
Publication of FI89625B publication Critical patent/FI89625B/en
Application granted granted Critical
Publication of FI89625C publication Critical patent/FI89625C/en

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  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Road Repair (AREA)

Abstract

The invention concerns a wedge to be used during chipping of stones, said wedge including an impact head 1 and a tip part 2 that tapers to a tip 3 from this. According to the invention the tip part represents a conical surface 4, in which there are two chamfers 5 formed inward from the conical surface and situated on opposite sides, which extend essentially along the entire length between the impact head and the tip. <IMAGE>
FI902891A 1990-06-08 1990-06-08 KIL FI89625C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI902891A FI89625C (en) 1990-06-08 1990-06-08 KIL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI902891A FI89625C (en) 1990-06-08 1990-06-08 KIL
FI902891 1990-06-08

Publications (4)

Publication Number Publication Date
FI902891A0 FI902891A0 (en) 1990-06-08
FI902891A true FI902891A (en) 1991-12-09
FI89625B FI89625B (en) 1993-07-15
FI89625C FI89625C (en) 1993-10-25

Family

ID=8530602

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902891A FI89625C (en) 1990-06-08 1990-06-08 KIL

Country Status (1)

Country Link
FI (1) FI89625C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106217661B (en) * 2016-08-08 2018-03-30 浙江水利水电学院 Rock-boring makes seam device and makes seam method

Also Published As

Publication number Publication date
FI89625B (en) 1993-07-15
FI902891A0 (en) 1990-06-08
FI89625C (en) 1993-10-25

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Legal Events

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MM Patent lapsed
MM Patent lapsed

Owner name: VTT TECHNOLOGY OY