KR100338962B1 - Manufacturing process for toilet bowl - Google Patents
Manufacturing process for toilet bowl Download PDFInfo
- Publication number
- KR100338962B1 KR100338962B1 KR1019990049876A KR19990049876A KR100338962B1 KR 100338962 B1 KR100338962 B1 KR 100338962B1 KR 1019990049876 A KR1019990049876 A KR 1019990049876A KR 19990049876 A KR19990049876 A KR 19990049876A KR 100338962 B1 KR100338962 B1 KR 100338962B1
- Authority
- KR
- South Korea
- Prior art keywords
- drain pipe
- toilet
- water
- pipe
- raw material
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 9
- 239000010440 gypsum Substances 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000011505 plaster Substances 0.000 claims 1
- 238000000638 solvent extraction Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
- B28B1/261—Moulds therefor
-
- 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
- B28B13/023—Feeding the moulding material in measured quantities from a container or silo by using a feed box transferring the moulding material from a hopper to the moulding cavities
- B28B13/0255—Disposal of residual material, e.g. by means of the return stroke of the feed drawer
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
-
- 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
- B28B2013/0265—Feeding a slurry or a ceramic slip
Abstract
본 발명은 간단한 공정으로 생산성 향상을 기대할 수 있는 양변기의 제조방법에 관한 것으로서, 종래에는 양변기로서의 형태를 갖추기까지 석고로 된 여러개의 성형틀을 이용하여 하부몸체의 외형과, 통수관과, 배수관과, 배수관 입구 받침판과, 배수관 입구 덮개판과, 집수실과 물탱크를 구획하는 부속판 및 상부본체를 별도로 성형한 다음, 이들을 차례로 접착고정하여 양변기로서의 완전한 형태를 얻도록 하였던 바, 본 발명은 하부몸체(4)의 성형시 그 성형틀(2)은 몸체외형이 갖는 공간부(6) 이외에 통수관(8)과, 상부배수관(10)이 갖는 만큼의 공간부(18)(20) 및 부속판(18)이 갖는 공간부(22)을 연장형성하여 주입된 원료 중 통수관(8)과 상부배수관(10)이 갖는 공간부의 원료는 석고의 수분흡수로 인하여 적정두께로 흡착되면 그 나머지는 배출시킴과 동시에 주입원 공기압으로 그 형태가 유지되게 하는 배니(排泥)작업으로 성형한 다음 탈형하여 각각 별도의 성형틀에 의해 성형된 하부배수관(24)과 상부몸체(26)를 접착하여 완전 관형태의 양변기를 얻도록 한 것이다.The present invention relates to a method of manufacturing a toilet that can be expected to improve the productivity in a simple process, conventionally using a plurality of molds made of gypsum until the form as a toilet, the appearance of the lower body, water pipe, drain pipe and In addition, the drain pipe inlet support plate, the drain pipe inlet cover plate, the accessory plate and the upper body for partitioning the water collecting chamber and the water tank were separately formed, and then they were fixed in order to obtain a complete form as a toilet bowl. At the time of forming (4), the forming mold 2 has a space portion 18, 20, and an accessory plate in addition to the space portion 6 of the body outline. The raw material of the space part of the water supply pipe 8 and the upper drain pipe 10 of the raw material injected by extending the space part 22 of the 18 is adsorbed to the proper thickness due to the water absorption of the gypsum, and the rest is discharged. Simultaneous with Sikkim It is molded by the vane operation so that the shape is maintained by the inlet air pressure, and then demolded and bonded to the lower drain pipe 24 and the upper body 26 formed by separate molding molds, respectively. To get
Description
본 발명은 양변기 제조방법에 관한 것으로서, 상세하게는 간단한 제조공정으로 생산성을 향상시켜 줄수 있도록 한 것이다.The present invention relates to a toilet bowl manufacturing method, in particular, to improve the productivity in a simple manufacturing process.
양변기는 사이폰(siphon)식으로서, 여기에 배수가 용이하도록 볼텍스 (voltex)나 제트식 배출기능이 추가되고 또 그에 따라 몸체 내부는 필요로 하는 통수관과 배수관으로 인하여 복잡한 형상으로 구성된다.The toilet is siphon type, with the addition of a vortex or jetted drainage to facilitate drainage, and the interior of the body has a complex shape due to the water and drain pipes required.
따라서 종래에도 이러한 구성을 만족시켜 주기 위하여 도 6에서와 같이 외형을 이루는 하부몸체의 외형(50)외에 통수관(52)과, 배수관(54)과, 배수관입구 받침판(56)과, 배수구입구 덮개판(58)과, 집수실(60)과 물탱크(62)를 구획하는 부속판(64) 및 상부본체(66)를 각기 석고형으로 된 성형틀을 이용하여 별도로 성형제작한 다음 차례로 접착고정하여 제조토록 한 것으로서, 이러한 경우 최소한 7개이상의 성형틀을 필요로 함은 물론 각 부품을 별도로 성형제작하여 수작업으로 일일이 접착고정해 주는데 따른 복잡한 제조공정 및 많은 작업인력을 필요로 하므로 생산성이 저하되고 또 이로 인한 제조단가의 상승으로 제품의 가격경쟁력이 떨어지는등 많은 문제점들이 지적되고 있다.Therefore, in order to satisfy such a configuration, the water pipe 52, the drain pipe 54, the drain pipe inlet support plate 56, and the drain inlet cover, in addition to the outer shape 50 of the lower body forming the outline as shown in FIG. The plate 58, the accessory plate 64 and the upper body 66 partitioning the water collecting chamber 60 and the water tank 62 are separately manufactured by using a molding mold made of gypsum, and then adhesively fixed in turn. In this case, at least seven molding molds are required in this case, as well as the complicated manufacturing process and many manpower required to manufacture each part separately and fix them by hand, thereby reducing productivity. As a result, many problems have been pointed out such as the price competitiveness of the product is lowered due to the increase in manufacturing cost.
본 발명은 상술한 종래에 문제점들을 해결하기 위하여 하부몸체의 성형제조시 하부배수관만 별도로 성형하여 접착고정해 주면 되도록 하여 생산성 향상 및 제품의 가격경쟁력을 높여 줄수 있도록 함을 목적으로 한 것이다.The present invention is intended to improve the productivity and the price competitiveness of the product by forming and fixing only the bottom drain pipe separately during the manufacturing of the lower body in order to solve the above-described problems.
상기한 목적달성을 위하여 본 발명은 하부몸체를 성형제조함에 있어 성형틀의 상,하형 사이에 외형을 공간부 이외에 물탱크를 연결하는 통수관과 트랩 중 상부배수관이 갖는 위치와, 집수실과 물탱크를 구획하는 부속판이 갖는 위치에 공간부를 연장형성하여 원료의 주입성형시 통수관과 배수관이 갖는 공간부의 원료는 석고의 수분흡수로 일정두께로 흡착되면 그 나머지는 배출시킴과 동시에 공간부 내에 공기를 주입하여 그 압력에 의해 형태가 유지되는 배니(排泥)작업으로 통수관과 배수관이 형성되게 하고, 하부배수관은 별도로 성형하여 상부배수관과의 접착고정으로 하부몸체를 구성한 다음 이 역시 별도로 제작된 상부본체를 접착하여 완전한 형태를 얻도록 한 것이다.In order to achieve the above object, the present invention provides a position between an upper drain pipe and a water collecting pipe and a water tank, among the water pipes and traps that connect the water tank in addition to the space between the upper and lower molds of the molding frame. The space part is extended at the position of the accessory plate to divide the material, and during the injection molding of the raw material, the material of the space part of the water supply pipe and the drain pipe is absorbed to a certain thickness by absorbing moisture of the gypsum, and the rest is discharged, After the injection, the water pipe and the drain pipe are formed by the vane work that maintains the shape by the pressure, and the lower drain pipe is formed separately to form the lower body by adhesive fixation with the upper drain pipe, and this is also manufactured separately. The main body is glued to obtain a complete shape.
도 1 : 본 발명 하부몸체의 성형시 이용되는 성형틀의 단면구성도1 is a cross-sectional configuration diagram of a molding die used for molding the lower body of the present invention.
도 2 : 본 발명 하부기본몸체의 단면구성도2 is a cross-sectional view of the lower basic body of the present invention
도 3 : 본 발명 하부배수관의 단면구성도3 is a cross-sectional view of the lower drain pipe of the present invention
도 4 : 본 발명 하부몸체의 단면구성도4 is a cross-sectional view of the lower body of the present invention
도 5 : 본 발명 상하몸체가 접착된 완전한 형태의 단면구성도5 is a cross-sectional configuration of the complete form bonded to the upper and lower body of the present invention
도 6 : (가)(나)(다) 종래 발명의 제조공정 중 기본몸체와 통수관 그리고 배수관의 연결상태를 단계적으로 나타낸 단면구성도Figure 6 (a) (b) (c) Cross-sectional configuration diagram showing the connection state of the basic body, water pipe and drain pipe step by step in the manufacturing process of the prior invention
도 7 : (라)(마)(바) 종래발명의 제조공정중 배수관 입구 받침판과 그 덮개판 그리고 부속판의 연결상태를 단계적으로 나타낸 단면구성도7: (D) (E) (B) Cross-sectional configuration diagram showing the connection state of the drain pipe inlet support plate and its cover plate and the accessory plate in the manufacturing process of the prior invention in stages
도 8 : 종래 발명으로 성형된 하부몸체의 단면구성도8 is a cross-sectional view of the lower body molded in the conventional invention
<도면중 주요부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>
(2)--성형틀 (4)--하부몸체(2)-plastic mold (4)-lower body
(6)(18)(20)(22)--공간부 (8)--통수관(6) (18) (20) (22)-Space Division (8)-Water Pipe
(10)--상부배수관 (12)--집수실(10)-Upper Drain (12)-Catchroom
(14)--물탱크 (16)--부속판(14)-Water Tank (16)-Accessory
(23)--기본몸체 (24)--하부배수관(23)-base body (24)-bottom drain
도1은 본 발명 하부몸체를 성형하는 성형틀의 단면구성도로서, 성형틀(2)은 석고를 이용하여 상,하형으로 분리구성하되 그 사이에 하부몸체(4)의 외형을 이루는 공간부(6) 이외에 볼텍스(voltex)식으로 구성하고자 할 경우 통수관(8)이 갖는 만큼의 공간과, 상,하형으로서 탈형가능한 부분에 해당하는 트랩의 상부배수관(10)이 갖는 만큼의 공간 및 집수실(12)과 물탱크(14)를 구획하는 부속판(16)이 갖는 만큼의 공간부(18)(20)(22)을 연장형성하고, 상기 공간부(6)(18)(20)(22)는 원료주입구와 에어주입구(도시안됨)를 연결형성한다.Figure 1 is a cross-sectional configuration of the molding frame for molding the lower body of the present invention, the molding frame 2 is formed by separating the upper and lower molds using gypsum, but the space forming the outer shape of the lower body (4) therebetween ( 6) In addition, if it is to be configured in the voltex type, the space as much as the water pipe 8 has, and as much as the space and the water collecting room as the upper drain pipe 10 of the trap corresponding to the moldable part as the upper and lower types The spaces 18, 20, 22 are extended as much as the accessory plate 16 partitioning the 12 and the water tank 14, and the spaces 6, 18, 20 ( 22) connects the raw material inlet and the air inlet (not shown).
상기 성형틀(2)의 공간부에는 원료주입구를 통하여 통상 점토와 석분등을 물과 적정비율로 혼합한 액체상태의 원료를 주입하여 성형토록 하되 통수관(8)과 상부배수관(10)이 갖는 공간부(18)(20)의 원료는 석고로 된 성형틀(12)의 수분흡수로 인하여 그 흡착된 원료의 두께가 하부몸체(4)의 외형이 갖는 두께와 거의 같은 두께를 이루는 시점에서 잔류한 나머지 원료를 배출시킴과 동시에 그로 인해 발생된 공간부내에 에어를 주입하여 공기압에 의해 형태가 유지되게 하는 배니(排泥)작업으로 통수관(8)과 상부배수관(10)이 형성되게 하고, 적정시간이 지나 제형태를 갖게 되면 탈형하여 기본몸체(23)를 얻는다.Into the space portion of the forming mold (2) through the raw material inlet to inject the raw material in the form of a mixture of ordinary clay and stone powder in an appropriate ratio with water to be molded, but the water pipe (8) and the upper drain pipe (10) The raw materials of the spaces 18 and 20 remain at the time when the thickness of the adsorbed raw material is approximately the same as the thickness of the outer body 4 due to the water absorption of the mold 12 made of gypsum. The water supply pipe 8 and the upper drain pipe 10 are formed by a vane operation in which air is injected into the space portion generated by the discharge of the remaining raw material and the shape is maintained by the air pressure. After the proper time has passed, the shape is demolished to obtain the basic body 23.
도3은 본 발명에 이용되는 하부배수관의 단면구성도로서, 이 역시 석고로 된 성형틀(도시안됨)내에 하부배출관(24)이 갖는 만큼의 공간부를 형성하여 상기 공간부에 원료를 주입하여 석고의 수분흡수로 인하여 흡착된 원료가 적정두께로 되면 그 나머지는 배출시킴과 동시에 그 공간부 내에 주입된 에어의 공기압으로 형태가 유지되게 하는 배니작업으로 성형제조한다.Figure 3 is a cross-sectional view of the lower drain pipe used in the present invention, this also formed in the gypsum forming mold (not shown) as much space as the lower discharge pipe 24 has formed by injecting the raw material into the space gypsum When the adsorbed raw material reaches the proper thickness due to the water absorption of the mold, the remainder is discharged and the mold is manufactured by baining operation so that the shape is maintained by the air pressure of the air injected into the space.
상기 하부배수관(24)은 그 상단부를 이용하여 기 성형제조된 하부몸체(4)의 상부배수관(10) 하단에 접착고정하고, 그 하단부는 같은 원료로 성형제작된 별도의 연결편(도시안됨)을 이용한 하부몸체(4) 하단부와 일체로 연결하여 하부본체로서의 완전한 형태를 얻도록 한다.The lower drain pipe 24 is fixed to the lower end of the upper drain pipe 10 of the pre-fabricated lower body 4 by using the upper end, the lower end is a separate connecting piece (not shown) molded with the same raw material Connected integrally with the lower body 4 used lower end to obtain a complete form as the lower body.
다만 이때 상부배수관(10)의 하단부와 하부배수관(24)의 상하단부는 배니작업으로 막혀 있게 되므로 접착시 고정하기 앞서 관통공을 뚫어 주어야 한다.However, at this time, the lower end of the upper drain pipe 10 and the upper and lower ends of the lower drain pipe 24 are blocked by the vanishing operation, so the through hole should be drilled before fixing.
한편 상부몸체(26)와 물탱크(14)의 뚜껑(28)은 각각 하부본체(4)와는 별도의 성형틀을 이용한 성형제조후 서로 접착고정하여 완전한 형태를 갖도록 하며 건조후 유약을 도포하고 적정온도에서 소성하여 완제품을 얻도록 한 것이다.On the other hand, the lid 28 of the upper body 26 and the water tank 14, respectively, after forming the molding using a separate molding frame from the lower body 4, and fixed to each other to have a complete form, and after drying apply a glaze and titrate It is calcined at temperature to obtain a finished product.
이와 같은 제조방법으로 제조되는 본 발명은 사이폰 볼텍스(siphon-voltex)식의 양변기(30)를 제조함에 있어, 하부몸체(4)는 하부배수관(24)을 제외한 통수관 (8)과, 상부배수관(10)과 배수관 입구 받침판과, 배수관 입구 덮개판 및 집수실 (12)과 물탱크(14)를 구획하는 부속판이 일체로 형성되므로 하부배수관(24)만 별도로 성형하여 상부배수관(10)에 접착고정해 주면 하부몸체(4)를 얻게 된다.In the present invention manufactured by the manufacturing method as described above in the manufacture of the siphon voltex (siphon-voltex) toilet 30, the lower body 4 is a water pipe (8) except the lower drain pipe (24), and the upper Since the drain pipe 10 and the drain pipe inlet support plate, the drain pipe inlet cover plate, and the accessory plate partitioning the water collecting chamber 12 and the water tank 14 are integrally formed, only the lower drain pipe 24 is separately molded to the upper drain pipe 10. When the adhesive is fixed, the lower body 4 is obtained.
즉 본 발명은 통수관(8) 및 상부배수관(10)은 상,하형 사이에 그 전체가 갖는 만큼의 공간부(18)(20)을 확보하여 배니(排泥)작업으로 성형되게 하고, 또 상부배수관(10)이 갖는 공간부(20)는 집수실(12)과 물탱크(14)를 구획하는 부속판이 갖는 만큼의 공간부(22)를 연장형성해 주게 되면 하부배수관(24)을 제외하고는 성형틀(2)를 이용하여 일체로 성형할 수 있게 된다.That is, according to the present invention, the water pipe 8 and the upper drain pipe 10 are formed in the vane operation by securing the spaces 18 and 20 as much as the whole between the upper and lower molds. The space 20 having the upper drain pipe 10 extends the space 22 as much as the accessory plate partitioning the water collecting chamber 12 and the water tank 14, except for the lower drain pipe 24. Can be molded integrally using the molding die (2).
이와 같이 본 발명은 하부몸체(4)를 성형함에 있어, 기본몸체(23) 이외에 하부배수관(24)만 별도의 성형틀을 이용한 성형제조후 상부배수관(10)에 접착고정해 주면 되므로 종래에 비해 필요로 한 성형틀의 갯수가 훨씬 줄어든 만큼 제조경비 및 작업인력을 줄일수가 있어 생산성 향상을 기대할 수가 있고, 더 나아가 제품의 가격경쟁력을 높여 줄수가 있는 유용한 발명인 것이다.Thus, the present invention in molding the lower body (4), only the lower drain pipe 24 in addition to the base body 23, after manufacturing the molding using a separate molding mold, so that the adhesive to the upper drain pipe (10) compared to the prior art As the number of molds required is much reduced, manufacturing costs and workforces can be reduced, so productivity can be expected, and further, it is a useful invention that can increase the price competitiveness of products.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990049876A KR100338962B1 (en) | 1999-11-11 | 1999-11-11 | Manufacturing process for toilet bowl |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990049876A KR100338962B1 (en) | 1999-11-11 | 1999-11-11 | Manufacturing process for toilet bowl |
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| Publication Number | Publication Date |
|---|---|
| KR20010046197A KR20010046197A (en) | 2001-06-05 |
| KR100338962B1 true KR100338962B1 (en) | 2002-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990049876A KR100338962B1 (en) | 1999-11-11 | 1999-11-11 | Manufacturing process for toilet bowl |
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| KR (1) | KR100338962B1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316864A (en) * | 1978-03-10 | 1982-02-23 | American Standard Inc. | Method and apparatus for slip casting toilet bowls |
| JPH0471206U (en) * | 1990-11-02 | 1992-06-24 | ||
| JPH04104405U (en) * | 1991-02-22 | 1992-09-09 | 東陶機器株式会社 | Cast-in mold for seated toilet bowl |
| JPH08332615A (en) * | 1995-06-07 | 1996-12-17 | Toto Ltd | Mold structure for manufacturing western-style toilet stool |
| JPH09158296A (en) * | 1995-12-08 | 1997-06-17 | Toto Ltd | Flushing toilet bowl and its manufacturing die |
| KR0139456Y1 (en) * | 1996-09-10 | 1999-04-15 | 이존명 | Toilet shaped article mould |
-
1999
- 1999-11-11 KR KR1019990049876A patent/KR100338962B1/en active IP Right Grant
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316864A (en) * | 1978-03-10 | 1982-02-23 | American Standard Inc. | Method and apparatus for slip casting toilet bowls |
| JPH0471206U (en) * | 1990-11-02 | 1992-06-24 | ||
| JPH04104405U (en) * | 1991-02-22 | 1992-09-09 | 東陶機器株式会社 | Cast-in mold for seated toilet bowl |
| JPH08332615A (en) * | 1995-06-07 | 1996-12-17 | Toto Ltd | Mold structure for manufacturing western-style toilet stool |
| JPH09158296A (en) * | 1995-12-08 | 1997-06-17 | Toto Ltd | Flushing toilet bowl and its manufacturing die |
| KR0139456Y1 (en) * | 1996-09-10 | 1999-04-15 | 이존명 | Toilet shaped article mould |
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| KR20010046197A (en) | 2001-06-05 |
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