CH544644A - Retractable mandrel - Google Patents

Retractable mandrel

Info

Publication number
CH544644A
CH544644A CH210873A CH210873A CH544644A CH 544644 A CH544644 A CH 544644A CH 210873 A CH210873 A CH 210873A CH 210873 A CH210873 A CH 210873A CH 544644 A CH544644 A CH 544644A
Authority
CH
Switzerland
Prior art keywords
retractable mandrel
retractable
mandrel
Prior art date
Application number
CH210873A
Other languages
German (de)
Inventor
Level Bertrand
Original Assignee
Plastrex Manurhin Sarl
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
Application filed by Plastrex Manurhin Sarl filed Critical Plastrex Manurhin Sarl
Publication of CH544644A publication Critical patent/CH544644A/en

Links

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
    • 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
    • B29C53/821—Mandrels especially adapted for winding and joining
    • B29C53/824—Mandrels especially adapted for winding and joining collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
CH210873A 1972-02-17 1973-02-14 Retractable mandrel CH544644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7205378A FR2172548A5 (en) 1972-02-17 1972-02-17

Publications (1)

Publication Number Publication Date
CH544644A true CH544644A (en) 1973-11-30

Family

ID=9093660

Family Applications (1)

Application Number Title Priority Date Filing Date
CH210873A CH544644A (en) 1972-02-17 1973-02-14 Retractable mandrel

Country Status (5)

Country Link
JP (1) JPS5219235B2 (en)
CH (1) CH544644A (en)
FR (1) FR2172548A5 (en)
GB (1) GB1384196A (en)
NL (1) NL157867B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254765A (en) * 1975-10-30 1977-05-04 Kishi Shiyouji Kk Method of molding of tubular goods
US5022845A (en) * 1989-04-25 1991-06-11 Hercules Incorporated Segmented mandrel for forming composite articles
DE10335273B4 (en) * 2002-08-16 2008-12-04 Deutsch-Französisches Forschungsinstitut Saint-Louis Method and device for producing a multipart driving ring for a subcaliber projectile in fiber composite construction
FR2843631B1 (en) * 2002-08-16 2005-01-14 I S L Inst Franco Allemand De METHOD AND APPARATUS FOR MANUFACTURING A MULTI-PARTS THROTTLE SABOT FOR A SUB-CALIBER PROJECTILE IN COMPOSITE CONSTRUCTION AND FIBER REINFORCED
GB0811967D0 (en) * 2008-06-30 2008-07-30 Bhp Billiton Petroleum Pty Ltd Improvements relating to hose

Also Published As

Publication number Publication date
NL157867B (en) 1978-09-15
FR2172548A5 (en) 1973-09-28
NL7302052A (en) 1973-08-21
DE2307293B2 (en) 1977-03-31
JPS4896959A (en) 1973-12-11
JPS5219235B2 (en) 1977-05-26
DE2307293A1 (en) 1973-08-23
GB1384196A (en) 1975-02-19

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Legal Events

Date Code Title Description
PL Patent ceased