FR2171844B1 - - Google Patents

Info

Publication number: FR2171844B1
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.): Expired

Application number

FR7017671A

Other languages

Other versions

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.)

LEFEBVRE PIERRE FR

Original Assignee

LEFEBVRE PIERRE FR

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.)

1970-05-14

Filing date

1970-05-14

Publication date

1974-05-24

1970-05-14 Application filed by LEFEBVRE PIERRE FR filed Critical LEFEBVRE PIERRE FR

1970-05-14 Priority to FR7017671A priority Critical patent/FR2171844B1/fr

1971-05-14 Priority to DE19712166064 priority patent/DE2166064A1/de

1971-05-14 Priority to GB1510671*[A priority patent/GB1343695A/en

1971-05-14 Priority to DE2124094A priority patent/DE2124094C3/de

1973-09-28 Publication of FR2171844A1 publication Critical patent/FR2171844A1/fr

1974-05-24 Application granted granted Critical

1974-05-24 Publication of FR2171844B1 publication Critical patent/FR2171844B1/fr

Status Expired legal-status Critical Current

Classifications

- 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
- B29C49/0029—Making articles of indefinite length, e.g. corrugated tubes wherein the process is characterised by the pressure used, e.g. using varying pressure depending on sequence of cavity shapes
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Manufacturing & Machinery (AREA)
General Engineering & Computer Science (AREA)
Rigid Pipes And Flexible Pipes (AREA)
Extrusion Moulding Of Plastics Or The Like (AREA)

FR7017671A 1970-05-14 1970-05-14 Expired FR2171844B1 (pt)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
FR7017671A FR2171844B1 (pt)	1970-05-14	1970-05-14
DE19712166064 DE2166064A1 (de)	1970-05-14	1971-05-14	Verfahren zur Herstellung eines Wellrohrs aus thermoplastischem Kunststoff. Ausscheidung aus: 2124094
GB1510671*[A GB1343695A (en)	1970-05-14	1971-05-14	Corrugated tubes of thermo-plastic synthetic resin
DE2124094A DE2124094C3 (de)	1970-05-14	1971-05-14	Wellrohr aus thermoplastischem Kunststoff

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7017671A FR2171844B1 (pt)	1970-05-14	1970-05-14

Publications (2)

Publication Number	Publication Date
FR2171844A1 FR2171844A1 (pt)	1973-09-28
FR2171844B1 true FR2171844B1 (pt)	1974-05-24

Family

ID=9055548

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7017671A Expired FR2171844B1 (pt)	1970-05-14	1970-05-14

Country Status (3)

Country	Link
DE (2)	DE2124094C3 (pt)
FR (1)	FR2171844B1 (pt)
GB (1)	GB1343695A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3279862D1 (en) *	1981-06-15	1989-09-14	Wavin Bv	Apparatus for making profiled plastics tube
DE4432584C1 (de) *	1994-09-13	1996-02-29	Inventa Ag	Polymerleitung
FR2745429B1 (fr) *	1996-02-28	1998-04-17	Sofanou Sa	Gaine annelee fendue
EP0927099A1 (en) *	1997-05-20	1999-07-07	Manfred Arno Alfred Lupke	Method and apparatus for making plastic pipe without mechanical pressure on inner pipe wall
DE19741405B4 (de) *	1997-09-19	2004-01-29	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Zur Verbindung mit Leerrohren geeignete Hohlwanddose zum Aufbau einer Vorinstallation und Verfahren dazu
FR2825443B1 (fr)	2001-06-05	2003-09-19	Sofanou Sa	Gaine tubulaire a charniere
DE20211322U1 (de)	2002-07-26	2002-09-26	Fränkische Rohrwerke Gebr. Kirchner GmbH + Co. KG, 97486 Königsberg	Wellrohr mit optimalem Eigenschafts-Materialeinsatz-Verhältnis

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH329850A (de) *	1955-01-12	1958-05-15	Phineas Zallea James	Verfahren und Vorrichtung zum Herstellen von Rohrausgleichern sowie nach dem Verfahren hergestellter Rohrausgleicher

1970
- 1970-05-14 FR FR7017671A patent/FR2171844B1/fr not_active Expired
1971
- 1971-05-14 DE DE2124094A patent/DE2124094C3/de not_active Expired
- 1971-05-14 GB GB1510671*[A patent/GB1343695A/en not_active Expired
- 1971-05-14 DE DE19712166064 patent/DE2166064A1/de active Pending

Also Published As

Publication number	Publication date
DE2124094B2 (de)	1973-11-15
GB1343695A (en)	1974-01-16
DE2166064A1 (de)	1972-11-09
DE2124094A1 (de)	1972-05-10
DE2124094C3 (de)	1974-06-06
FR2171844A1 (pt)	1973-09-28

Publication	Publication Date	Title
FR2171844A1 (pt)	1973-09-28
ATA96471A (pt)	1973-02-15
AU2044470A (pt)	1972-03-30
AU1146470A (pt)	1971-08-19
AU1473870A (pt)	1971-11-11
AU2130570A (pt)	1972-04-27
AU2017870A (pt)	1972-03-23
AU1833270A (pt)	1972-02-10
AU1716970A (pt)	1972-01-06
AU2085370A (pt)	1972-04-13
AU1517670A (pt)	1971-11-18
AU1326870A (pt)	1971-10-28
AU1336970A (pt)	1971-10-07
AU1591370A (pt)	1971-12-09
AU1872870A (pt)	1972-02-17
AU2144270A (pt)	1972-04-27
AU2131570A (pt)	1972-04-27
AU1328670A (pt)	1971-10-07
AU1277070A (pt)	1971-09-23
AU1343870A (pt)	1971-10-07
AU1247570A (pt)	1971-09-16
AU2130770A (pt)	1972-04-27
AU1235770A (pt)	1971-09-16
AU1581370A (pt)	1971-12-09
AU1004470A (pt)	1971-07-08

Legal Events

Date	Code	Title	Description
1977-07-15	ST	Notification of lapse