FR2023212A1 - - Google Patents

Info

Publication number
FR2023212A1
FR2023212A1 FR6939011A FR6939011A FR2023212A1 FR 2023212 A1 FR2023212 A1 FR 2023212A1 FR 6939011 A FR6939011 A FR 6939011A FR 6939011 A FR6939011 A FR 6939011A FR 2023212 A1 FR2023212 A1 FR 2023212A1
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.)
Withdrawn
Application number
FR6939011A
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.)
Seelze & Eichriede Fulgurit
Original Assignee
Seelze & Eichriede Fulgurit
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 DE19681808526 external-priority patent/DE1808526C3/en
Application filed by Seelze & Eichriede Fulgurit filed Critical Seelze & Eichriede Fulgurit
Publication of FR2023212A1 publication Critical patent/FR2023212A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/92—Methods or apparatus for treating or reshaping
    • B28B21/98—Methods or apparatus for treating or reshaping for reshaping, e.g. by means of reshape moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/86—Cores
    • B28B21/88—Cores adjustable, collapsible or expansible
    • 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
    • F16L9/00—Rigid pipes
    • F16L9/08—Rigid pipes of concrete, cement, or asbestos cement, with or without reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16—Details
    • B02C18/18—Knives; Mountings thereof
    • B02C2018/188—Stationary counter-knives; Mountings thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Lining And Supports For Tunnels (AREA)
FR6939011A 1968-11-13 1969-11-13 Withdrawn FR2023212A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681808526 DE1808526C3 (en) 1968-11-13 Device for forming seamless pipes made of asbestos cement

Publications (1)

Publication Number Publication Date
FR2023212A1 true FR2023212A1 (en) 1970-08-07

Family

ID=5713140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6939011A Withdrawn FR2023212A1 (en) 1968-11-13 1969-11-13

Country Status (9)

Country Link
AT (1) AT296128B (en)
BE (1) BE741651A (en)
CH (1) CH504290A (en)
DK (1) DK139463B (en)
FR (1) FR2023212A1 (en)
GB (1) GB1271557A (en)
IE (1) IE33637B1 (en)
NL (1) NL164499C (en)
NO (1) NO130101B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0127593A2 (en) * 1983-05-30 1984-12-05 Verio Scarafoni Device which can be enlarged with a controlled expansion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107599123B (en) * 2017-09-07 2023-05-05 广东欧莱高新材料股份有限公司 Frock of cylindric target slip casting mould
SG11202005367SA (en) * 2017-11-29 2020-07-29 St Eng Aerospace Ltd Core assembly for moulding and method of moulding thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB674986A (en) * 1949-08-31 1952-07-02 Charles Bernard Mathews Improvements in pneumatic cores for use in the moulding of hollow concrete articles
DE1058245B (en) * 1954-01-08 1959-05-27 Otal A G Spreading device for deforming pipes made of organic thermoplastic
FR1301155A (en) * 1961-09-15 1962-08-10 Process for transforming a cylindrical pipe to obtain an element with a square or other section and industrial product obtained
US3074140A (en) * 1960-04-18 1963-01-22 Martin Marietta Corp Means for forming voids in concrete products
FR1332072A (en) * 1963-12-16
FR1543246A (en) * 1967-07-05 1968-10-25 Thermoplastic tube forming

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1332072A (en) * 1963-12-16
GB674986A (en) * 1949-08-31 1952-07-02 Charles Bernard Mathews Improvements in pneumatic cores for use in the moulding of hollow concrete articles
DE1058245B (en) * 1954-01-08 1959-05-27 Otal A G Spreading device for deforming pipes made of organic thermoplastic
US3074140A (en) * 1960-04-18 1963-01-22 Martin Marietta Corp Means for forming voids in concrete products
FR1301155A (en) * 1961-09-15 1962-08-10 Process for transforming a cylindrical pipe to obtain an element with a square or other section and industrial product obtained
FR1543246A (en) * 1967-07-05 1968-10-25 Thermoplastic tube forming

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0127593A2 (en) * 1983-05-30 1984-12-05 Verio Scarafoni Device which can be enlarged with a controlled expansion
EP0127593A3 (en) * 1983-05-30 1985-08-07 Verio Scarafoni Device which can be enlarged with a controlled expansion

Also Published As

Publication number Publication date
IE33637B1 (en) 1974-09-04
DE1808526B2 (en) 1976-06-10
DK139463B (en) 1979-02-26
NO130101B (en) 1974-07-08
NL6917116A (en) 1970-05-15
BE741651A (en) 1970-04-16
GB1271557A (en) 1972-04-19
NL164499C (en) 1981-01-15
IE33637L (en) 1970-05-13
DE1808526A1 (en) 1970-06-25
DK139463C (en) 1979-08-06
CH504290A (en) 1971-03-15
AT296128B (en) 1972-01-25
NL164499B (en) 1980-08-15

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Legal Events

Date Code Title Description
ST Notification of lapse