FR914191A - Noyau rétractile - Google Patents

Noyau rétractile

Info

Publication number
FR914191A
FR914191A FR914191DA FR914191A FR 914191 A FR914191 A FR 914191A FR 914191D A FR914191D A FR 914191DA FR 914191 A FR914191 A FR 914191A
Authority
FR
France
Prior art keywords
retractable core
retractable
core
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.)
Expired
Application number
Other languages
English (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.)
Tecalemit Ltd
Original Assignee
Tecalemit Ltd
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 Tecalemit Ltd filed Critical Tecalemit Ltd
Application granted granted Critical
Publication of FR914191A publication Critical patent/FR914191A/fr
Expired 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/28—Cores; Mandrels
    • B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
    • B28B7/306—Cores; Mandrels adjustable, collapsible, or expanding pliable or extensible

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR914191D 1945-03-29 1945-03-29 Noyau rétractile Expired FR914191A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR914191T 1945-03-29

Publications (1)

Publication Number Publication Date
FR914191A true FR914191A (fr) 1946-10-01

Family

ID=9422134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914191D Expired FR914191A (fr) 1945-03-29 1945-03-29 Noyau rétractile

Country Status (1)

Country Link
FR (1) FR914191A (fr)

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