ES274566U - Perforated plastic pipe and punch for forming perforations therein. - Google Patents
Perforated plastic pipe and punch for forming perforations therein.Info
- Publication number
- ES274566U ES274566U ES1983274566U ES274566U ES274566U ES 274566 U ES274566 U ES 274566U ES 1983274566 U ES1983274566 U ES 1983274566U ES 274566 U ES274566 U ES 274566U ES 274566 U ES274566 U ES 274566U
- Authority
- ES
- Spain
- Prior art keywords
- plastic pipe
- punch
- perforated plastic
- forming perforations
- edges
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
- B26F1/14—Punching tools; Punching dies
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
This invention relates to a plastic pipe having in its wall punched holes 16a, b, c 16 min a, b, c, with rounded short end edges 2a and long continuously curved side edges 15 and to a punching knife for making the punched holes, having a large length/width ratio in cross-section with curved side flanks 6 between rounded portions 7 and sharp knife edges 10.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8203574A NL8203574A (en) | 1982-09-15 | 1982-09-15 | HOLED PLASTIC TUBE AND PUNCH NIPPLE FOR MAKING HOLES IN THIS TUBE. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES274566U true ES274566U (en) | 1984-03-01 |
Family
ID=19840272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES1983274566U Pending ES274566U (en) | 1982-09-15 | 1983-09-15 | Perforated plastic pipe and punch for forming perforations therein. |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0103343A2 (en) |
JP (1) | JPS5993299A (en) |
DK (1) | DK420483A (en) |
ES (1) | ES274566U (en) |
FI (1) | FI833296A (en) |
NL (1) | NL8203574A (en) |
ZA (1) | ZA836840B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19737964C1 (en) * | 1997-08-30 | 1998-10-08 | Gaplast Gmbh | Cutting an interspace vent in the external wall of a flexibly-lined rigid vessel |
JPH11333794A (en) * | 1998-05-22 | 1999-12-07 | Fuji Photo Film Co Ltd | Punch for opening hole |
DE10023801C2 (en) * | 2000-05-15 | 2002-05-23 | Giesecke & Devrient Gmbh | Device for punching plastics |
US7159436B2 (en) * | 2004-04-28 | 2007-01-09 | Siemens Vdo Automotive Corporation | Asymmetrical punch |
-
1982
- 1982-09-15 NL NL8203574A patent/NL8203574A/en not_active Application Discontinuation
-
1983
- 1983-09-13 EP EP83201320A patent/EP0103343A2/en not_active Withdrawn
- 1983-09-14 JP JP58168514A patent/JPS5993299A/en active Pending
- 1983-09-15 ZA ZA836840A patent/ZA836840B/en unknown
- 1983-09-15 ES ES1983274566U patent/ES274566U/en active Pending
- 1983-09-15 FI FI833296A patent/FI833296A/en not_active Application Discontinuation
- 1983-09-15 DK DK420483A patent/DK420483A/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NL8203574A (en) | 1984-04-02 |
DK420483A (en) | 1984-03-16 |
FI833296A (en) | 1984-03-16 |
EP0103343A2 (en) | 1984-03-21 |
JPS5993299A (en) | 1984-05-29 |
FI833296A0 (en) | 1983-09-15 |
ZA836840B (en) | 1984-08-29 |
DK420483D0 (en) | 1983-09-15 |
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