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
Application number
ES1983274566U
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wavin BV
Original Assignee
Wavin BV
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 Wavin BV filed Critical Wavin BV
Publication of ES274566U publication Critical patent/ES274566U/en
Pending legal-status Critical Current

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.
ES1983274566U 1982-09-15 1983-09-15 Perforated plastic pipe and punch for forming perforations therein. Pending ES274566U (en)

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FI833296A0 (en) 1983-09-15
DK420483D0 (en) 1983-09-15
DK420483A (en) 1984-03-16
NL8203574A (en) 1984-04-02
FI833296A (en) 1984-03-16
JPS5993299A (en) 1984-05-29
EP0103343A2 (en) 1984-03-21
ZA836840B (en) 1984-08-29

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