FR2338782A1 - METHOD AND DEVICE FOR MAKING ELBOWS FOR PIPES IN THERMOPLASTIC MATERIAL. - Google Patents

METHOD AND DEVICE FOR MAKING ELBOWS FOR PIPES IN THERMOPLASTIC MATERIAL.

Info

Publication number
FR2338782A1
FR2338782A1 FR7701503A FR7701503A FR2338782A1 FR 2338782 A1 FR2338782 A1 FR 2338782A1 FR 7701503 A FR7701503 A FR 7701503A FR 7701503 A FR7701503 A FR 7701503A FR 2338782 A1 FR2338782 A1 FR 2338782A1
Authority
FR
France
Prior art keywords
pipes
thermoplastic material
elbows
making
making elbows
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.)
Granted
Application number
FR7701503A
Other languages
French (fr)
Other versions
FR2338782B1 (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.)
Hoechst AG
Original Assignee
Hoechst AG
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 DE19762601818 external-priority patent/DE2601818A1/en
Priority claimed from DE19762624625 external-priority patent/DE2624625A1/en
Application filed by Hoechst AG filed Critical Hoechst AG
Publication of FR2338782A1 publication Critical patent/FR2338782A1/en
Application granted granted Critical
Publication of FR2338782B1 publication Critical patent/FR2338782B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D9/00—Bending tubes using mandrels or the like
    • B21D9/01—Bending tubes using mandrels or the like the mandrel being flexible and engaging the entire tube length
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • 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
    • B29L2023/22—Tubes or pipes, i.e. rigid
FR7701503A 1976-01-20 1977-01-20 METHOD AND DEVICE FOR MAKING ELBOWS FOR PIPES IN THERMOPLASTIC MATERIAL. Granted FR2338782A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19762601818 DE2601818A1 (en) 1976-01-20 1976-01-20 Thermoplastics tube turn or bend prodn. - by heating a straight tubular piece, introducing a supporting core, and bending about a template
DE19762624625 DE2624625A1 (en) 1976-06-02 1976-06-02 Tool layout for forming pipe elbows of thermoplastics - includes mandrel formed by thin metal or plastics blades

Publications (2)

Publication Number Publication Date
FR2338782A1 true FR2338782A1 (en) 1977-08-19
FR2338782B1 FR2338782B1 (en) 1980-06-06

Family

ID=25769931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7701503A Granted FR2338782A1 (en) 1976-01-20 1977-01-20 METHOD AND DEVICE FOR MAKING ELBOWS FOR PIPES IN THERMOPLASTIC MATERIAL.

Country Status (12)

Country Link
AT (1) AT365970B (en)
AU (1) AU508830B2 (en)
CH (1) CH617385A5 (en)
DD (1) DD128268A5 (en)
FI (1) FI770143A (en)
FR (1) FR2338782A1 (en)
GB (1) GB1574445A (en)
IN (1) IN144926B (en)
IT (1) IT1077591B (en)
NL (1) NL7700383A (en)
NO (1) NO770150L (en)
SE (1) SE417799B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8901618D0 (en) * 1989-01-25 1989-03-15 Mckechnie Plastics Limited Ans Method of forming hoses and tubes of thermoplastic material
DE19926330C2 (en) 1999-06-09 2001-08-09 Thyssenkrupp Stahl Ag Bending mandrel for a bending device and bending method for pipes
CN106552848A (en) * 2016-11-14 2017-04-05 芜湖通和汽车管路系统股份有限公司 For the core muscle of automobile pipeline bending
CN112718980A (en) * 2020-12-23 2021-04-30 凌云工业股份有限公司 Integrated casting type core mechanism with built-in steel wire rope wrapped by polyurethane

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU158189A1 (en) *
DE161517C (en) *
GB158957A (en) * 1919-11-04 1921-02-04 Emile Copeland Improved flexible mandrel for use in bending tubes
DE632274C (en) * 1934-07-18 1936-07-04 Hochvoltisolation Ag F Process for the production of stiff, curved insulating pipe pieces from hard paper or hard tissue using a flexible mandrel for laying electrical cables
FR933363A (en) * 1945-12-11 1948-04-19 Onderzoekings Inst Res Bending process for pipes made of fully synthetic, hot-workable materials
US2464796A (en) * 1946-11-19 1949-03-22 Russell B Cushman Brick cleaning and shaping machine
FR1118552A (en) * 1954-07-26 1956-06-07 Goodyear Tire & Rubber Method and device for reshaping pipes and other conduits
FR1214431A (en) * 1957-12-02 1960-04-08 Gen Electric Co Ltd Waveguides and their bending process
FR1214430A (en) * 1957-12-02 1960-04-08 Gen Electric Co Ltd Waveguide bending process
US2971224A (en) * 1958-07-28 1961-02-14 Tamar Electronics Ind Method for producing radar probe
GB881854A (en) * 1958-05-12 1961-11-08 Btr Industries Ltd Improvements relating to pipe bending
FR1304945A (en) * 1961-11-03 1962-09-28 Bending process for thermoplastic tubes
US3184796A (en) * 1963-01-28 1965-05-25 Marvin A Southcott Apparatus for bending plastic pipe
FR1551358A (en) * 1966-12-29 1968-12-27
FR1597649A (en) * 1967-11-29 1970-06-29
FR2254420A1 (en) * 1973-12-17 1975-07-11 Robintech Inc
FR2382997A1 (en) * 1977-03-08 1978-10-06 Hoechst Ag METHOD OF MANUFACTURING A PIPE ELBOW IN THERMOPLASTIC MATERIAL AND DEVICE FOR IMPLEMENTING THIS PROCESS

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU158189A1 (en) *
DE161517C (en) *
GB158957A (en) * 1919-11-04 1921-02-04 Emile Copeland Improved flexible mandrel for use in bending tubes
DE632274C (en) * 1934-07-18 1936-07-04 Hochvoltisolation Ag F Process for the production of stiff, curved insulating pipe pieces from hard paper or hard tissue using a flexible mandrel for laying electrical cables
FR933363A (en) * 1945-12-11 1948-04-19 Onderzoekings Inst Res Bending process for pipes made of fully synthetic, hot-workable materials
US2464796A (en) * 1946-11-19 1949-03-22 Russell B Cushman Brick cleaning and shaping machine
FR1118552A (en) * 1954-07-26 1956-06-07 Goodyear Tire & Rubber Method and device for reshaping pipes and other conduits
FR1214430A (en) * 1957-12-02 1960-04-08 Gen Electric Co Ltd Waveguide bending process
FR1214431A (en) * 1957-12-02 1960-04-08 Gen Electric Co Ltd Waveguides and their bending process
GB881854A (en) * 1958-05-12 1961-11-08 Btr Industries Ltd Improvements relating to pipe bending
US2971224A (en) * 1958-07-28 1961-02-14 Tamar Electronics Ind Method for producing radar probe
FR1304945A (en) * 1961-11-03 1962-09-28 Bending process for thermoplastic tubes
US3184796A (en) * 1963-01-28 1965-05-25 Marvin A Southcott Apparatus for bending plastic pipe
FR1551358A (en) * 1966-12-29 1968-12-27
FR1597649A (en) * 1967-11-29 1970-06-29
FR2254420A1 (en) * 1973-12-17 1975-07-11 Robintech Inc
FR2382997A1 (en) * 1977-03-08 1978-10-06 Hoechst Ag METHOD OF MANUFACTURING A PIPE ELBOW IN THERMOPLASTIC MATERIAL AND DEVICE FOR IMPLEMENTING THIS PROCESS

Also Published As

Publication number Publication date
IN144926B (en) 1978-07-29
NO770150L (en) 1977-07-21
GB1574445A (en) 1980-09-10
SE7700524L (en) 1977-07-21
ATA28077A (en) 1981-07-15
AU508830B2 (en) 1980-04-03
IT1077591B (en) 1985-05-04
CH617385A5 (en) 1980-05-30
AT365970B (en) 1982-02-25
FI770143A (en) 1977-07-21
NL7700383A (en) 1977-07-22
SE417799B (en) 1981-04-13
DD128268A5 (en) 1977-11-09
AU2143477A (en) 1978-07-27
FR2338782B1 (en) 1980-06-06

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Legal Events

Date Code Title Description
ST Notification of lapse