FR2247661A1 - - Google Patents

Info

Publication number
FR2247661A1
FR2247661A1 FR7434771A FR7434771A FR2247661A1 FR 2247661 A1 FR2247661 A1 FR 2247661A1 FR 7434771 A FR7434771 A FR 7434771A FR 7434771 A FR7434771 A FR 7434771A FR 2247661 A1 FR2247661 A1 FR 2247661A1
Authority
FR
France
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
FR7434771A
Other languages
French (fr)
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.)
BAAR HEINZ JOACHIM
Original Assignee
BAAR HEINZ JOACHIM
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/en
Application filed by BAAR HEINZ JOACHIM filed Critical BAAR HEINZ JOACHIM
Publication of FR2247661A1 publication Critical patent/FR2247661A1/fr
Pending 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
FR7434771A 1973-10-16 1974-10-16 Pending FR2247661A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732351768 DE2351768C3 (en) 1973-10-16 Plastic drainage pipe with transversely corrugated pipe wall and with water inlet openings covered by ring filters and a device for producing such a drainage pipe

Publications (1)

Publication Number Publication Date
FR2247661A1 true FR2247661A1 (en) 1975-05-09

Family

ID=5895507

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434771A Pending FR2247661A1 (en) 1973-10-16 1974-10-16

Country Status (8)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211293A2 (en) * 1985-07-24 1987-02-25 Fib Oy A method and a device for the formation of a hole in a plastic pipe
WO1990014208A1 (en) * 1989-05-17 1990-11-29 Lupke Manfred Arno Alfred 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
CN112610757A (en) * 2020-12-18 2021-04-06 马荣哲 Corrosion-resistant HDPE double-wall corrugated pipe

Families Citing this family (1)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211293A2 (en) * 1985-07-24 1987-02-25 Fib Oy A method and a device for the formation of a hole in a plastic pipe
EP0211293A3 (en) * 1985-07-24 1989-03-08 Fib Oy A method and a device for the formation of a hole in a plastic pipe
WO1990014208A1 (en) * 1989-05-17 1990-11-29 Lupke Manfred Arno Alfred 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
CN112610757A (en) * 2020-12-18 2021-04-06 马荣哲 Corrosion-resistant HDPE double-wall corrugated pipe
CN112610757B (en) * 2020-12-18 2022-07-26 康命源（贵州）科技发展有限公司 Corrosion-resistant HDPE double-wall corrugated pipe

Also Published As

Publication number Publication date
DK538374A (en) 1975-06-16
SE7412941L (en) 1975-04-17
DK143416C (en) 1981-12-21
DE2351768B2 (en) 1976-01-22
SE410631B (en) 1979-10-22
DK143416B (en) 1981-08-17
ATA804874A (en) 1977-08-15
AT343054B (en) 1978-05-10
FI301074A (en) 1975-04-17
DE2351768A1 (en) 1975-08-28
GB1479000A (en) 1977-07-06
BE821117A (en) 1975-02-17
NL7413601A (en) 1975-04-18

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