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
  • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
  • B28B7/362—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article specially for making moulded articles from concrete with exposed aggregate
• • D—TEXTILES; PAPER
  • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
  • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
  • D21H19/00—Coated paper; Coating material
  • D21H19/80—Paper comprising more than one coating
  • D21H19/82—Paper comprising more than one coating superposed
  • D21H19/824—Paper comprising more than one coating superposed two superposed coatings, both being non-pigmented

Landscapes

• 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)
• Moulds, Cores, Or Mandrels (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7405094

Family Applications (1)

Country Status (5)

• 1968
  • 1968-07-30 CH CH1142468A patent/CH478726A/de unknown
  • 1968-08-02 AT AT754868A patent/AT284698B/de not_active IP Right Cessation
  • 1968-08-06 BE BE719119D patent/BE719119A/xx unknown
  • 1968-08-29 FR FR1582269D patent/FR1582269A/fr not_active Expired
  • 1968-12-13 NL NL6817991A patent/NL6817991A/xx unknown

Also Published As

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