EP0422833A3 - Control system and method for the manufacture of plaster board - Google Patents
Control system and method for the manufacture of plaster board Download PDFInfo
- Publication number
- EP0422833A3 EP0422833A3 EP19900310878 EP90310878A EP0422833A3 EP 0422833 A3 EP0422833 A3 EP 0422833A3 EP 19900310878 EP19900310878 EP 19900310878 EP 90310878 A EP90310878 A EP 90310878A EP 0422833 A3 EP0422833 A3 EP 0422833A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- awat
- raw materials
- adjusted
- set point
- point value
- 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.)
- Withdrawn
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 title 1
- 239000011505 plaster Substances 0.000 title 1
- 239000002994 raw material Substances 0.000 abstract 3
- ORILYTVJVMAKLC-UHFFFAOYSA-N Adamantane Natural products C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 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
- B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
- B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
- B28B5/026—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length
- B28B5/027—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type the shaped articles being of indefinite length the moulding surfaces being of the indefinite length type, e.g. belts, and being continuously fed
-
- 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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
-
- 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
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Manufacturing & Machinery (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Producing Shaped Articles From Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8923034 | 1989-10-12 | ||
GB8923034A GB2236876A (en) | 1989-10-12 | 1989-10-12 | Control of the manufacture of plaster board |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0422833A2 EP0422833A2 (fr) | 1991-04-17 |
EP0422833A3 true EP0422833A3 (en) | 1991-12-04 |
Family
ID=10664484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900310878 Withdrawn EP0422833A3 (en) | 1989-10-12 | 1990-10-04 | Control system and method for the manufacture of plaster board |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0422833A3 (fr) |
GB (1) | GB2236876A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3829125A1 (de) * | 1988-08-27 | 1990-03-01 | Bayer Ag | Verfahren zur herstellung von chromsaeure |
RU2102240C1 (ru) * | 1992-10-10 | 1998-01-20 | Веди Хельмут | Способ изготовления комбинированных плит |
US9983574B2 (en) * | 2013-09-30 | 2018-05-29 | United States Gypsum Company | Systems and methods for controlling a conveyor system during product changeovers |
CN108724435B (zh) * | 2017-04-24 | 2019-09-13 | 北新集团建材股份有限公司 | 一种石膏板成型系统的控制方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1560759A (fr) * | 1967-03-28 | 1969-03-21 | ||
US3532576A (en) * | 1966-06-20 | 1970-10-06 | Nat Gypsum Co | Apparatus for making gypsum board |
US4038531A (en) * | 1976-05-18 | 1977-07-26 | Weyerhaeuser Company | Process control apparatus for controlling a particleboard manufacturing system |
GB2035617A (en) * | 1978-10-27 | 1980-06-18 | Andritz Ag Maschf | Control system for a dewatering press |
DE3347720A1 (de) * | 1983-12-31 | 1985-09-05 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Regelvorrichtung einer bauplatten-herstellungsanlage |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1307958A (fr) * | 1961-09-15 | 1962-11-03 | Neyrpic Ets | Perfectionnements aux machines à fabriquer les papiers, cartons ou autres feuilles |
SE371460B (fr) * | 1967-04-24 | 1974-11-18 | Asea Ab | |
LU79390A1 (fr) * | 1978-04-06 | 1979-11-07 | Metallurgie Hoboken | Procede de coulee continue d'un metal et appareil pour sa mise en oeuvre |
FR2429867A1 (fr) * | 1978-06-30 | 1980-01-25 | Centre Tech Ind Papier | Commande du fonctionnement de la caisse de tete d'une machine a papier |
-
1989
- 1989-10-12 GB GB8923034A patent/GB2236876A/en not_active Withdrawn
-
1990
- 1990-10-04 EP EP19900310878 patent/EP0422833A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3532576A (en) * | 1966-06-20 | 1970-10-06 | Nat Gypsum Co | Apparatus for making gypsum board |
FR1560759A (fr) * | 1967-03-28 | 1969-03-21 | ||
US4038531A (en) * | 1976-05-18 | 1977-07-26 | Weyerhaeuser Company | Process control apparatus for controlling a particleboard manufacturing system |
GB2035617A (en) * | 1978-10-27 | 1980-06-18 | Andritz Ag Maschf | Control system for a dewatering press |
DE3347720A1 (de) * | 1983-12-31 | 1985-09-05 | Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen | Regelvorrichtung einer bauplatten-herstellungsanlage |
Also Published As
Publication number | Publication date |
---|---|
EP0422833A2 (fr) | 1991-04-17 |
GB8923034D0 (en) | 1989-11-29 |
GB2236876A (en) | 1991-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19920521 |
|
17Q | First examination report despatched |
Effective date: 19930423 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19930904 |