GB1479000A - Drainage pipes - Google Patents

Drainage pipes

Info

Publication number
GB1479000A
GB1479000A GB44902/74A GB4490274A GB1479000A GB 1479000 A GB1479000 A GB 1479000A GB 44902/74 A GB44902/74 A GB 44902/74A GB 4490274 A GB4490274 A GB 4490274A GB 1479000 A GB1479000 A GB 1479000A
Authority
GB
United Kingdom
Prior art keywords
pipe
moulding
links
openings
corrugated
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.)
Expired
Application number
GB44902/74A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE19732351768 external-priority patent/DE2351768C3/de
Application filed by Individual filed Critical Individual
Publication of GB1479000A publication Critical patent/GB1479000A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B26F1/0015—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes
    • B26F1/0053—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes by machining, e.g. cutting, grinding, projections on the tube wall
    • 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
    • B26F1/0061—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor specially adapted for perforating tubes whereby the tube moves axially or radially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
    • B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Agronomy & Crop Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
GB44902/74A 1973-10-16 1974-10-16 Drainage pipes Expired GB1479000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732351768 DE2351768C3 (de) 1973-10-16 Plastik-Dränrohr mit quergewellter Rohrwand und mit durch Ringfilter abgedeckten Wassereintrittsöffnungen und Vorrichtung zum Herstellen eines solchen Dränrohres

Publications (1)

Publication Number Publication Date
GB1479000A true GB1479000A (en) 1977-07-06

Family

ID=5895507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44902/74A Expired GB1479000A (en) 1973-10-16 1974-10-16 Drainage pipes

Country Status (8)

Country Link
AT (1) AT343054B (fi)
BE (1) BE821117A (fi)
DK (1) DK143416C (fi)
FI (1) FI301074A (fi)
FR (1) FR2247661A1 (fi)
GB (1) GB1479000A (fi)
NL (1) NL7413601A (fi)
SE (1) SE410631B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998002687A1 (en) * 1996-07-16 1998-01-22 W.L. Gore & Associates, Inc. Fluoropolymer tubes and methods of making same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI70388C (fi) * 1985-07-24 1986-09-19 Uponor Ab Saett och anordning foer att aostadkomma ett haol i ett plastroer
CA1329871C (en) * 1989-05-17 1994-05-31 Manfred A. A. Lupke Method for forming tubing utilizing suction and pneumatic pressure at the surface of the cooling plug
US5296188A (en) * 1992-01-14 1994-03-22 Corma, Inc. Methods for forming tubing utilizing suction and pneumatic pressure at the surface of the cooling plug
CN112610757B (zh) * 2020-12-18 2022-07-26 康命源（贵州）科技发展有限公司 一种耐腐蚀hdpe双壁波纹管

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998002687A1 (en) * 1996-07-16 1998-01-22 W.L. Gore & Associates, Inc. Fluoropolymer tubes and methods of making same
US6016848A (en) * 1996-07-16 2000-01-25 W. L. Gore & Associates, Inc. Fluoropolymer tubes and methods of making same

Also Published As

Publication number Publication date
BE821117A (fr) 1975-02-17
DE2351768B2 (de) 1976-01-22
DK143416C (da) 1981-12-21
AT343054B (de) 1978-05-10
SE410631B (sv) 1979-10-22
NL7413601A (nl) 1975-04-18
ATA804874A (de) 1977-08-15
DK538374A (fi) 1975-06-16
DK143416B (da) 1981-08-17
FR2247661A1 (fi) 1975-05-09
FI301074A (fi) 1975-04-17
DE2351768A1 (de) 1975-08-28
SE7412941L (fi) 1975-04-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee