FR854733A - Cast stair tread, in building materials - Google Patents

Cast stair tread, in building materials

Info

Publication number
FR854733A
FR854733A FR854733DA FR854733A FR 854733 A FR854733 A FR 854733A FR 854733D A FR854733D A FR 854733DA FR 854733 A FR854733 A FR 854733A
Authority
FR
France
Prior art keywords
building materials
stair tread
cast
cast stair
tread
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
French (fr)
Inventor
Hermann Pfeifer
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 filed Critical
Application granted granted Critical
Publication of FR854733A publication Critical patent/FR854733A/en
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
    • B28B7/22—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
FR854733D 1938-05-16 1939-05-15 Cast stair tread, in building materials Expired FR854733A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE854733X 1938-05-16

Publications (1)

Publication Number Publication Date
FR854733A true FR854733A (en) 1940-04-23

Family

ID=6788942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854733D Expired FR854733A (en) 1938-05-16 1939-05-15 Cast stair tread, in building materials

Country Status (1)

Country Link
FR (1) FR854733A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481989A1 (en) * 1980-05-08 1981-11-13 Guillot Roger Staircase component prefabrication method - uses unitary concrete components each forming tread and riser moulded on table and separated by shuttering

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481989A1 (en) * 1980-05-08 1981-11-13 Guillot Roger Staircase component prefabrication method - uses unitary concrete components each forming tread and riser moulded on table and separated by shuttering

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