FI82631C - Method and apparatus for drilling water drainage holes in hollow plate - Google Patents

Method and apparatus for drilling water drainage holes in hollow plate

Info

Publication number
FI82631C
FI82631C FI893515A FI893515A FI82631C FI 82631 C FI82631 C FI 82631C FI 893515 A FI893515 A FI 893515A FI 893515 A FI893515 A FI 893515A FI 82631 C FI82631 C FI 82631C
Authority
FI
Finland
Prior art keywords
water drainage
hollow plate
drainage holes
drilling water
drilling
Prior art date
Application number
FI893515A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI82631B (en
FI893515A0 (en
Inventor
Nikolai Danilotschkin
Original Assignee
Partek 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 Partek Ab filed Critical Partek Ab
Priority to FI893515A priority Critical patent/FI82631C/en
Publication of FI893515A0 publication Critical patent/FI893515A0/en
Publication of FI82631B publication Critical patent/FI82631B/en
Application granted granted Critical
Publication of FI82631C publication Critical patent/FI82631C/en

Links

FI893515A 1989-07-21 1989-07-21 Method and apparatus for drilling water drainage holes in hollow plate FI82631C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI893515A FI82631C (en) 1989-07-21 1989-07-21 Method and apparatus for drilling water drainage holes in hollow plate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI893515A FI82631C (en) 1989-07-21 1989-07-21 Method and apparatus for drilling water drainage holes in hollow plate
FI893515 1989-07-21

Publications (3)

Publication Number Publication Date
FI893515A0 FI893515A0 (en) 1989-07-21
FI82631B FI82631B (en) 1990-12-31
FI82631C true FI82631C (en) 1994-02-12

Family

ID=8528785

Family Applications (1)

Application Number Title Priority Date Filing Date
FI893515A FI82631C (en) 1989-07-21 1989-07-21 Method and apparatus for drilling water drainage holes in hollow plate

Country Status (1)

Country Link
FI (1) FI82631C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI109285B (en) * 1998-03-04 2002-06-28 Addtek Res & Dev Oy Ab Method and apparatus for drilling water drainage holes in hole plate
FI124099B (en) * 2005-07-01 2014-03-14 Elematic Oy Ab Method and apparatus for drilling water holes
EP4279237A1 (en) * 2022-05-19 2023-11-22 Elematic Oyj Apparatus for drilling drainage holes

Also Published As

Publication number Publication date
FI82631B (en) 1990-12-31
FI893515A0 (en) 1989-07-21

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Legal Events

Date Code Title Description
FG Patent granted

Owner name: OY PARTEK AB