NL55494C - - Google Patents

Info

Publication number
NL55494C
NL55494C NL55494DA NL55494C NL 55494 C NL55494 C NL 55494C NL 55494D A NL55494D A NL 55494DA NL 55494 C NL55494 C NL 55494C
Authority
NL
Netherlands
Application number
Publication of NL55494C publication Critical patent/NL55494C/xx

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
    • B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
    • B28B7/225—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units for making stairs or stair units comprising more than one step
    • 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
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded 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
    • B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
    • B28B7/04—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article one or more of the parts being pivotally mounted

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
NL55494D NL55494C (en)

Publications (1)

Publication Number Publication Date
NL55494C true NL55494C (en)

Family

ID=1812440

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55494D NL55494C (en)

Country Status (1)

Country Link
NL (1) NL55494C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702931A (en) * 1951-11-23 1955-03-01 Emil J Johnson Mold for concrete stairway runners

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2702931A (en) * 1951-11-23 1955-03-01 Emil J Johnson Mold for concrete stairway runners

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