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
  • B28B7/0058—Moulds, cores or mandrels with provisions concerning the elimination of superfluous material; Moulds with burr-removing means provided therein or carried thereby
• • 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
  • B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
  • B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
  • B28B13/0215—Feeding the moulding material in measured quantities from a container or silo
• • 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
  • B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
• • 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
  • B28B7/364—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article of plastic material or rubber

Definitions

• the invention relates to the manufacturing process of interior-lining articles from gypsum and can be applied in manufacturing of building materials.
• gypsum lining articles comprising preparation of moulding mixture, filling of the form, preliminarily laid with a liner-die, keeping the mixture till its total hardening, dismantling of forms of the article and the liner, the liner separation, drying and finishing of the article.
• the die-form for manufacture of building articles with embossed pattern containing polymeric film and filler.
• the polymeric film is performed antiadhesive
• the filler is made of cement-sandy concrete containing 10-20 per cent of ferro-magnets (Inventor's Certificate of the USSR 841983 cl.B 28B 11/00,1981).
• the die is made after the model with assigned embossed pattern, first as an open volume, repeating the model form, then the volume in turned over position, embossed pattern down, is filled with composition consisting of concrete compound and ferromagnetic elements, after the concrete is hardened, the volume is covered with flat film and the die is used in shaping building articles.
• An aim is put to work out a method of manufacturing high-artistic interior-lining gypsum articles with embossed pattern, for instance, tiles with face surface of increased hardness and water-repellence, posessing high tecnological adapatability to manufacture and simplicity of manufacture, failing to require complicated production equipment, also to design a form providing for high technology of the manufacturing process of articles in great selection.
• the above aim is accomplished by the method of manufacturing of interior-lining gypsum articles com prising preparation of moulding compound, filling it it into the form, which is layed preliminarily with a a liner-die and keeping it till its absolute hardening dismantling of forms of the article with its liner, the liner separation, drying and finishing of the article,the compound is filled into the form in excess quantity, then it is covered with an air-tight lid, then shaked and after the article is finished it is treated with water-repel ling compound.
• the result is achieved by the method when the form for interior-lining articles comprising a tray, lengthwise and transverse edges and a removable die with embossed pattern is made as a whole with embossed pattern on the tray, and a volumetric-spatial polymeric liner is used as a die, which is congruent to the working surface of the form and furnished with collars housed on the form edges and embracing them on the outside along the form hight, and the form is provided with a detachable air-tight lid,which can rest on the collars.
• nitro-enamel paint is applied as a water-resising compound.
• the mixture is filled into the form in quantity by 15-20 % excessing the volume of the form.
• the form is made of quickly-hardening compound by means of filling it into the overturned die set on its foundation.
• the form is made of gypsum.
• the die is performed of sheet plastics or heat- resistent polymeric film, and the air-tight lid - of thick sheet glass corrugated in- derneath.
• the form for casting articles is performed in the following way: the die is filled from reverse with a quickly-hardening compound kept till total hardening, the received form is used as a form-tray.
• One of the variants is production of the form-tray of the same material that is used for production of tiles, that is gypsum.
• Nitro-enamel paint may be used as a water-repelling material to coat the article face. When filling up the form with shaping mass the excess volume of the mass may make a 15-20 %.
• the variants of die per forming it can be used sheet plastics or heat-re- sistent polymer film.
• the air-tight lid for the form can be made of thick sheet glass, corrugated underneath.
• the disclosed technical actions permit to organize the manufacture of fine and high-artistic interiorlining articles on various gypsum stringy materials including gypsum cement and others by the easiest method not requiring complicated equipment, practically in any home conditions with minimum expenses.
• the form-tray I is made as a whole with lengthwise and transverse edges 2 and provided with a die embossed pattern 3.
• the collars 5 rest on the edges of the tray 1 and embrace from outside the edges 2 along the night to the base. From above the collars 5 of the die 4 are pressed to the edges 2 of the tray-form 1 by the air-tight lid, when casing a standard lining plate with embossed pattern the working volume of the tray-form 1 can have dimensions, for example, 148x148x8.5 mm.
• the die-liner can be made, for instance, from the sheet or film plasticized material with smooth, dense, antiadhesive surface (polysterene, fluoroplastic, polypropylene, oilcloth, thermoshrinking polyethylene film, etc).
• the most acceptable materials as regards to the proproduction process and availability are plastics, type IIXB and II374.
• the corrugated pattern on plastics is performed, for instance, by means of pressing.
• the tray-form it can be used any easily fusible alloy, such as Wood's alloy, for example, or lead, in case the die is made of heat resistent material.
• the easiest and most acceptable version is the appliance of gypsum materials, that is, the same materials, which are used for production of gypsum lining articles.
• the air-tight lid is made of thick sheet glass with corrugated surface underneath.
• the disclosed form is prepared in the following way.
• the die 4 with corrugated pattern on it is set in turned over position on sand, filled from the rear side with gypsum composition, diluted with water, thickened by pressing onto the forming mass by glass lid 6 and by means of shaking and the mass is kept till absolute hardening.
• the received blank is coated with drying oil, paint or varnish and used as a tray-form for the die 4 when producing facing tile.
• the disclosed method of the form production permits to receive the die corrugated pattern on the tray.
• the volumetric-spatial form of a thin linerdie with antiadhesive surface is congruent to the tray working surface and while filling the forming stuff into this form the liner-die completely fits to the working surface of the tray-form and is relieved from the weight loads of the forming mass. Therefore in the production process of tiles the liner-die prac tically isn't submitted to wear and serves for manufacturing of a great number of articles without renewing that makes cheaper the process of tile production.
• the disclosed method of production of interier-lining articles with corrugated pattern, such as tile, ceiling, wall or corner borders, ash-trays, supports, etc., from gypsum material is realized in the following way: dry components: gypsum binding material and additions are mixed for example, with water, this forming mass is filled in excess volume into the form, the excess volume being within 15-20 per cent.
• the forming mass in the form undergoes to thickening in two ways: squeezing the air-tight lid-glass 6 by pressing it tight to the collars 5 of the die and at the same time to the edges 2 of the tray-form and shaking recurretly the closed filled form.
• the close fitting of the glass to the die ensures air-tight conditions required for phase transformation of gypsum in the form, thickening of the texture.
• the corrugated face surface of the glass inderneath provides for some roughness of the surface on the rear side of the article insuring improved adhesion when fixing it to the base using traditional glue solutions.
• the die- liner with hard antiadhesive surface ensures dense and smooth surface face of the article, not requiring further polishing.
• the filled form is dismantled by removing the lid-glass, the article together with the die-liner is taken out of the form, then the die is taken off the article, casting barbs are removed, and the the blank is being dried for 20-24 hours.
• the face surface is coated with any water-repelling compound, for example, with nitro-enamel, type HII.,after the paint has dried the article is covered with decorative colouring.
• the disclosed method of production of interior-lining gypsum articles and the form for production of interior-lining articles are industrially realized, characterized by high adaptability to manufacturing and simplicity, features with novelty and invention level comparing to prior art methods, i.e. they satisfy the terms and conditions of patentability.

Landscapes

• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Ceramic Engineering (AREA)
• Mechanical Engineering (AREA)
• Finishing Walls (AREA)
• Moulds, Cores, Or Mandrels (AREA)
• Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
• Laminated Bodies (AREA)
• Casting Or Compression Moulding Of Plastics Or The Like (AREA)
• Curing Cements, Concrete, And Artificial Stone (AREA)
• Producing Shaped Articles From Materials (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=20166982

Family Applications (1)

Country Status (12)

Cited By (1)

Families Citing this family (3)

Family Cites Families (11)

• 1995
  • 1995-04-28 RU RU95106219/03A patent/RU2087308C1/ru not_active IP Right Cessation
  • 1995-11-09 HU HU9603549A patent/HU217313B/hu not_active IP Right Cessation
  • 1995-11-09 DE DE0813467T patent/DE813467T1/de active Pending
  • 1995-11-09 AU AU39410/95A patent/AU3941095A/en not_active Abandoned
  • 1995-11-09 PL PL95317459A patent/PL317459A1/xx unknown
  • 1995-11-09 CN CN95193121A patent/CN1052181C/zh not_active Expired - Fee Related
  • 1995-11-09 WO PCT/RU1995/000237 patent/WO1996033850A1/en not_active Application Discontinuation
  • 1995-11-09 EP EP95937246A patent/EP0813467A1/en not_active Withdrawn
  • 1995-11-09 UA UA96114327A patent/UA26290C2/uk unknown
• 1996
  • 1996-04-19 EA EA199600042A patent/EA000226B1/ru not_active IP Right Cessation
  • 1996-04-26 TR TR96/00353A patent/TR199600353A2/tr unknown
  • 1996-12-18 BG BG101066A patent/BG62279B1/bg active Active

Non-Patent Citations (1)

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