PL114601B1 - Mould for manufacturing ceramic articles - Google Patents
Mould for manufacturing ceramic articles Download PDFInfo
- Publication number
- PL114601B1 PL114601B1 PL1978205294A PL20529478A PL114601B1 PL 114601 B1 PL114601 B1 PL 114601B1 PL 1978205294 A PL1978205294 A PL 1978205294A PL 20529478 A PL20529478 A PL 20529478A PL 114601 B1 PL114601 B1 PL 114601B1
- Authority
- PL
- Poland
- Prior art keywords
- plaster
- mould
- ceramic articles
- manufacturing ceramic
- layer
- Prior art date
Links
- 239000000919 ceramic Substances 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000011505 plaster Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/344—Moulds, cores, or mandrels of special material, e.g. destructible materials from absorbent or liquid- or gas-permeable materials, e.g. plaster moulds in general
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Table Devices Or Equipment (AREA)
- Producing Shaped Articles From Materials (AREA)
Description
Przedmiotem wynalazku jest forma robocza do wyrofoów ceramicznych z mas plastycznych.Wynalazek moze znalezc zastosowanie zwlaszcza przy produkcji ceramicznych naczyn stolowych.Dotychczas sa znane formy robocze do wyrobów ceramicznych, wykonywane w calosci z gipsu lub porowatego tworzywa sztucznego-, przy czym ze wzgledów technologicznych stosowane sa formy gipsowe.Niedogodnoscia dotychczas stosowanych form jest duzy ciezar, duze zuzycie gipsu i niska wy¬ trzymalosc. Konieczne ze wzgledów wytrzymalos¬ ciowych zwiekszenie objetosci form powoduje obnizenie ich wartosci uzytkowych.Celem wynalazku bylo opracowanie Jronstruk- cji foirmy roboczej, która pozwolilaby na wyeli¬ minowanie niedoigodinosci dotychczas znanych form.Istota formy roboczej do wyrobów ceramicz¬ nych wedlug wynalazku polega na zastosowaniu sztywnego podkladu z wyprofilowanym obrze¬ zem, na który jest naniesiona warstwa gipsu, stanowiaca powierzchnie robocza formy.Ze wzgledów uzytkowych podlklad jest prze¬ puszczalny dla powietrza, co uzysikano stosujac do jego wykonania rnaterial porowaty lub stosu¬ jac perforacje poidkladiu.Forma robocza wedlug wynalazku {jozwala na znaczne obnizenie zuzycia gipsu do jej wykona¬ nia. Niewielka grubosc warstwy gipsu stwarza 15 25 wlasciwe warunki eksploatacji form. Przepusz¬ czalnosc powietinza przez taka warstwe jest prze¬ szlo 2—3 krotnie wieksza niz w formach trady¬ cyjnych, dzieki czemu „lisc" masy lepiej przy¬ lega do formy i nie ulega przesunieciom podczas toczenia. Zapobiega to w znacznym- stopniu de¬ formacji wyrobów finalnych. Znacznemu obnize¬ niu ulega eliminacja form z procesu technologicz¬ nego na skutek uszkodzen mechanicznych, wy¬ nikajacych z niskiej wytrzymalosci odlewów gipsowych.Przedmiot wynalazku jest przedstawiony w przykladzie wykonania formy roboczej talerza glebokiego, na rysunku w przekroju osiowym.Przyklad I. Na podkladzie z wyprofilowa¬ nym obrzezem (1), wykonanym z poliamidu jest naniesiona warstwa gipsu (2), na której jest for¬ mowany talerz gleboki z ceramiicznej masy pla¬ stycznej.Przyklad II. Na podkladzie z wyprofilowa¬ nym obrzezem (1), wyfkonanym z prasowanego termicznie polichlorku winylu jest naniesiona warstwa gipsu (2), na której jest formowany talerz gleboki z ceramicznej masy plastycznej.Zastrzezenia patentowe 1. Forma robocza do wyrobów ceramicznych, znamienna tym, ze Sklada sie z sztywnego pod- ^ kladu z wyprofilowanym obrzezem (1) z tworzy- 114 601114 GOI wa sztucznego i naniesionej na niego wars.twy gipsu (2). 2. Foirma robocza wedlu/g zastirz. 1, znamienna tym, ze podklad (1) jest perforowany. 3. Forma roibocza wedlug zastrz. 1, znamienna tym, ze podklad (1) jest wyfconainy z porowatego materialu np. z termicznie prasowanego polichlor- ku winylu.PZGraf. Koszalin D-308 100 egz A-4 Cena 45 zl PL PL PL The subject of the invention is a working mold for ceramic products made of plastic materials. The invention may be used especially in the production of ceramic tableware. So far, there are known working molds for ceramic products, made entirely of plaster or porous plastic - but for technological reasons they are used gypsum forms. The disadvantages of the forms used so far are high weight, high consumption of plaster and low strength. The increase in the volume of the molds, which is necessary for strength reasons, reduces their utility value. The aim of the invention was to develop a structure for a working mold that would eliminate the disadvantages of the previously known forms. The essence of the working mold for ceramic products according to the invention is the use of a rigid a base with a profiled edge on which a layer of gypsum is applied, constituting the working surface of the mold. Due to functional reasons, the base is permeable to air, which is achieved by using a porous material or perforations in the base. The working mold according to the invention { This allows for a significant reduction in the consumption of plaster. The small thickness of the plaster layer creates appropriate conditions for the use of the molds. The air permeability through such a layer is more than 2-3 times higher than in traditional forms, thanks to which the "leaf" of the mass adheres better to the form and does not shift during rolling. This significantly prevents deformation. formation of final products. The elimination of molds from the technological process is significantly reduced due to mechanical damage resulting from the low strength of plaster casts. The subject of the invention is presented in an example of making a working mold of a deep plate, in the axial cross-section drawing. Example I A layer of plaster (2) is applied on a base with a profiled rim (1) made of polyamide, on which a deep plate made of ceramic plastic mass is formed. Example II. On a base with a profiled rim (1). ), made of thermally pressed polyvinyl chloride, there is a layer of plaster (2) applied on which a deep plate made of ceramic plastic mass is formed. Patent claims 1. Working mold for ceramic products, characterized in that It consists of a rigid base of profiled rim (1) made of plastic and a layer of plaster (2) applied to it. 2. Work force according to the instructions. 1, characterized in that the backing (1) is perforated. 3. Working form according to claim 1, characterized in that the backing (1) is made of a porous material, e.g. thermally pressed polyvinyl chloride. PZGraf. Koszalin D-308 100 copies A-4 Price PLN 45 PL PL PL
Claims (3)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1978205294A PL114601B1 (en) | 1978-03-14 | 1978-03-14 | Mould for manufacturing ceramic articles |
| DE19792907599 DE2907599A1 (en) | 1978-03-14 | 1979-02-27 | WORKING FORM FOR CERAMIC PRODUCTS |
| GB7906824A GB2016362A (en) | 1978-03-14 | 1979-02-27 | An improved working mould for use in forming ceramic ware |
| DD79211538A DD142433A5 (en) | 1978-03-14 | 1979-03-12 | WORKING FOR CERAMIC PRODUCTS |
| IT20951/79A IT1111698B (en) | 1978-03-14 | 1979-03-13 | PROCESSING MOLDS FOR CERAMIC OBJECTS |
| JP2982579A JPS54129011A (en) | 1978-03-14 | 1979-03-14 | Mold for forming ceramic products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1978205294A PL114601B1 (en) | 1978-03-14 | 1978-03-14 | Mould for manufacturing ceramic articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL205294A1 PL205294A1 (en) | 1979-10-08 |
| PL114601B1 true PL114601B1 (en) | 1981-02-28 |
Family
ID=19988062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1978205294A PL114601B1 (en) | 1978-03-14 | 1978-03-14 | Mould for manufacturing ceramic articles |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS54129011A (en) |
| DD (1) | DD142433A5 (en) |
| DE (1) | DE2907599A1 (en) |
| GB (1) | GB2016362A (en) |
| IT (1) | IT1111698B (en) |
| PL (1) | PL114601B1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62104704A (en) * | 1985-11-01 | 1987-05-15 | 株式会社日立製作所 | Slip casting molding mold |
| JPS6218210A (en) * | 1985-07-18 | 1987-01-27 | 株式会社イナックス | Sludge casting device |
| JPS63302004A (en) * | 1987-05-30 | 1988-12-08 | Tatsu Amaike | Composite gypsum mold |
| JPH0740109U (en) * | 1993-12-27 | 1995-07-18 | 善彌 井出 | Dish for mold |
| GB9506940D0 (en) * | 1995-04-04 | 1995-05-24 | British Ceramic Res Ltd | Ware forming method and apparatus |
| FR2785843B1 (en) * | 1998-11-13 | 2001-01-05 | Allia | MOLD FOR SANITARY CERAMICS |
| DE10309968A1 (en) * | 2003-03-07 | 2004-09-23 | Forschungszentrum Jülich GmbH | Method for producing a layer system comprising a metallic carrier and an anode functional layer |
-
1978
- 1978-03-14 PL PL1978205294A patent/PL114601B1/en unknown
-
1979
- 1979-02-27 GB GB7906824A patent/GB2016362A/en not_active Withdrawn
- 1979-02-27 DE DE19792907599 patent/DE2907599A1/en not_active Withdrawn
- 1979-03-12 DD DD79211538A patent/DD142433A5/en unknown
- 1979-03-13 IT IT20951/79A patent/IT1111698B/en active
- 1979-03-14 JP JP2982579A patent/JPS54129011A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB2016362A (en) | 1979-09-26 |
| JPS54129011A (en) | 1979-10-06 |
| DD142433A5 (en) | 1980-06-25 |
| DE2907599A1 (en) | 1979-09-27 |
| PL205294A1 (en) | 1979-10-08 |
| IT1111698B (en) | 1986-01-13 |
| IT7920951A0 (en) | 1979-03-13 |
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