IT1238622B - Perforation device and its procedures - Google Patents
Perforation device and its proceduresInfo
- Publication number
- IT1238622B IT1238622B IT19370A IT1937090A IT1238622B IT 1238622 B IT1238622 B IT 1238622B IT 19370 A IT19370 A IT 19370A IT 1937090 A IT1937090 A IT 1937090A IT 1238622 B IT1238622 B IT 1238622B
- Authority
- IT
- Italy
- Prior art keywords
- perforation device
- procedures
- tube section
- perforation
- hammer
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The perforation device that uses a hammer and is equipped with extended elastically propelled hinged flaps using recess working with a tube section. On the body of the perforating device there is carved out seat for the gasket that's shape keeps it airtight compressed between the perforation device and the tube section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19370A IT1238622B (en) | 1990-02-14 | 1990-02-14 | Perforation device and its procedures |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19370A IT1238622B (en) | 1990-02-14 | 1990-02-14 | Perforation device and its procedures |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9019370A0 IT9019370A0 (en) | 1990-02-14 |
IT9019370A1 IT9019370A1 (en) | 1991-08-15 |
IT1238622B true IT1238622B (en) | 1993-08-18 |
Family
ID=11157118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19370A IT1238622B (en) | 1990-02-14 | 1990-02-14 | Perforation device and its procedures |
Country Status (1)
Country | Link |
---|---|
IT (1) | IT1238622B (en) |
-
1990
- 1990-02-14 IT IT19370A patent/IT1238622B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
IT9019370A0 (en) | 1990-02-14 |
IT9019370A1 (en) | 1991-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970227 |