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.)
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GAROCHE JEAN
Original Assignee
GAROCHE JEAN
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Filing date
Publication date
Application filed by GAROCHE JEANfiledCriticalGAROCHE JEAN
Priority to FR7901817ApriorityCriticalpatent/FR2447435A1/fr
Publication of FR2447435A1publicationCriticalpatent/FR2447435A1/fr
Application grantedgrantedCritical
Publication of FR2447435B3publicationCriticalpatent/FR2447435B3/fr
B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
B28B7/00—Moulds; Cores; Mandrels
B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
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
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
B28B7/303—Cores; Mandrels adjustable, collapsible, or expanding specially for making undercut recesses or continuous cavities the inner section of which is superior to the section of either of the mouths
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Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Chemical & Material Sciences
(AREA)
Ceramic Engineering
(AREA)
Mechanical Engineering
(AREA)
Forms Removed On Construction Sites Or Auxiliary Members Thereof
(AREA)
FR7901817A1979-01-241979-01-24Moule metallique notamment pour la realisation de reservations dans des parois d'elements en beton
GrantedFR2447435A1
(fr)