EP1507636A1 - Verfahren zur herstellung von gipskartonplatten mit vier sich verjüngenden kanten - Google Patents
Verfahren zur herstellung von gipskartonplatten mit vier sich verjüngenden kantenInfo
- Publication number
- EP1507636A1 EP1507636A1 EP03747485A EP03747485A EP1507636A1 EP 1507636 A1 EP1507636 A1 EP 1507636A1 EP 03747485 A EP03747485 A EP 03747485A EP 03747485 A EP03747485 A EP 03747485A EP 1507636 A1 EP1507636 A1 EP 1507636A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bumps
- lines
- paper
- cream paper
- line
- 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.)
- Granted
Links
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
- 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
Definitions
- the present invention relates to a method and devices for manufacturing plasterboard having 4 thinned edges on their periphery.
- Patent US 2,238,017 in particular attempted in 1941 to create an additional thickness by folding the cardboard, this invention never gave industrial development, probably because the folding did not resist the tension of the paper, or the weight of the hydraulic binder.
- a solution to the problem posed is, according to and according to the invention, a production line of the type of that presented in the introduction on which it consists of:
- the transverse thinnings resulting from the imprints have qualities of surface appearance, shape and resistance identical to the longitudinal thinnings and are well manufactured according to a continuous process which s 'turns out to be very low cost and very attractive for manufacturers and the plasterboard market.
- FIG. 1 represents the head of the production line in which the new process of the invention intervenes.
- Figure 1a shows, according to the invention, in side view and enlarged the line of bumps, just before passing under the mixer.
- Figure 1b shows, according to the invention, in side view and enlarged the line of bumps, just after passing under the mixer and before passing through the shaper.
- Figure 1c shows, according to the invention, in side view and enlarged the line of bumps, just after passing through the shaper and being passed over the hardening strips.
- Figure 1d shows, according to the invention, in side view and enlarged the line of bumps, at the outlet of the hardening strips and before cutting shears.
- Figure 1e shows, according to the invention, in side view and enlarged the line of bumps, just after cutting shears.
- FIG. 2 represents a plasterboard with 4 thinned edges manufactured with the method of the invention.
- FIG. 3 represents the device according to the invention for docking the cream paper and for producing the lines of bumps.
- FIG. 4 represents the view along F of the device of FIG. 3.
- FIG. 5 represents, according to the invention, the cream paper seen from below, with its machining after it has crossed the device of FIGS. 3 and 4.
- the 6 shows, according to the invention, the sectional and perspective view SS 'RR' of the cream paper of Figure 5.
- Figure 7 shows, according to the invention, the side view and section of the cream paper at of the line of bumps before passing under the mixer.
- 8 shows, according to the invention, the side view and in section of the composite strip at the level of the line of bumps after passing through the former.
- Figures 9 and 10 show, according to the invention, the side view and in section of the composite strip at the line of bumps immediately after the shearing operation.
- FIG. 1 represents a production line for plasterboard (12), operating continuously, of the type presented in the introduction, in which two sheets of cardboard one below called cream paper (3), another upper, called gray paper (4), takes place and encloses in a shaper (7) a hydraulic binder (2) coming from a mixer (1).
- These two sheets of cardboard paper, cream (3) and gray (4) constitute with the hydraulic binder (2) a composite strip (10) which hardens on the two hardening strips (8) and (9).
- These two hardening strips (8) and (9) have at the edge of two small bevelled strips which will generate on the composite strip (10) the longitudinal thinnings (13).
- the composite strip (10) is cut to length I by the shears (11), the plasterboards (12) which result therefrom are provided with longitudinal thinning (13) but are not provided with transverse thinning (14).
- the first step consists in creating an additional thickness under the cream paper (3) before the latter passes under the mixer (1) and before it crosses the shaper (7).
- This extra thickness of about 1.5 mm under the cream paper (3) we will proceed to stamping said cream paper (3) along lines of bumps (20).
- these lines of bumps (20) are straight lines of a length less than the width of the cream paper (3) centered and perpendicular to the direction of travel of said cream paper (3).
- the bumps (16) of these lines of bumps (20) are spaced from each other by about 20 mm and protrude under the cream paper (3) of about 1.5 mm. This value of 1.5 mm corresponds to the generally sought value of the transverse thinned height "b" (29).
- These lines of bumps (20) are arranged under the cream paper (3) on the fly, at a rapid rate, a rate which may be less than two seconds and following a precise pitch "p" (48).
- these lines of bumps (20) by definition discontinuous have the quite singular advantage of not disappearing or fading under the mechanical "T" tension (47) of the cream paper (3 ) unlike other imagined processes which consist in folding or embossing in a continuous profile and over a large width the cream paper (3).
- the method of the invention simultaneously with stamping the lines of bumps (20), notches the cream paper (3) along two lines of stiffening notches (23).
- These stiffening notch lines (23) are made on the outside of the cream paper (3) on either side of each bump line (20) of the same length as the boss lines (20) parallel and centered with respect to the lines of bumps (20).
- the function of these two lines of stiffening notches is to reinforce, to help the line of bumps (20) to support in the rest of the process the weight of the hydraulic binder (2).
- the length "I" (49) of the lines of bumps (20) is equal to the overall width of the plasterboard (12) reduced by the sum of the widths of the two longitudinal thinnings (13).
- the method according to the invention then consists, in the area located of the forming table (5) to the shaper (7), in protecting the lines of bumps (20) against tearing, snagging or deformation.
- said zone all the roughness, all the attachment points (17) are eliminated, and grooves are provided on the spreader (6).
- said spreader (6) generally vibrating or rotary shakes the cream paper (3) and the hydraulic binder (2) without affecting the bumps which pass them without contact in the hollow of its grooves, therefore without contact with said spreader (6).
- the lines of bumps (20) passing through the shaper (7) locally lift the cream paper (3) and thereby reduce the quantity of hydraulic binder (2) contained in the composite strip (10 ), thus the upper surface of the composite strip (10) leaving the former (7) will be uniformly flat despite the local lifting of the latter.
- the lines of bumps (20) protruding under the cream paper (3) keep the composite strip (10) raised until it is completely cured.
- the composite strip (10) at the outlet of the hardening strip (9) has on its underside double-slope imprints (19) spaced from each other by a distance slightly greater than the length of the plasterboard (12) to be produced.
- the plasterboards (12) provided with thinnings on all their periphery are stacked and then join the factory stock.
- the cut by the shears (11) occurs simultaneously in the double slope imprints (19) and at equal distance from two double slope imprints (19), the plasterboards (12) thus produced. have 3 thins, two longitudinal thins (13) a transverse thinned (14), these 3 thinned plates are interesting for particular applications of the market.
- the inner surface of the bumps (16), the interior of the bumps bottoms (22), as well as the upper and horizontal surface of the cream paper (3) located between the bumps (16) and the stiffening notches (23) also called reinforced surface (21) are covered with a coating (15).
- This coating (15) being applied on the fly, immediately after the stamping operation of the boss lines (20).
- the chemical composition of this coating (15) is such that it makes it possible, almost immediately, to increase the mechanical resistance of the bumps (16), to waterproof and protect the lines of bumps (20) against softening, sealing said lines of bumps (20) with respect to the hydraulic binder (2), and finally guaranteeing on the reinforced surface (21) a good connection of the hydraulic binder (2) and cream paper (3).
- the lines of bumps (20) are extended at each of their ends along a length equal to the width of the longitudinal thinnings (13).
- This bump line extension (28) consists of bumps (16) whose depth is reduced as said bump line extension (28) approaches the outer edge of the cream paper (3). This extension of the line of bumps (28), when crossing the hardening strips (8) and (9), comes to bear on the beveled strips which are used for making the longitudinal thinnings (13).
- the shape of the bumps (16) generated by stamping is adapted so that the latter have the best possible mechanical characteristics, they can be either without it is limiting hemi-spherical, pyramidal, conical, in VT. Moon
- the cream paper (3) at its beginning of transverse thinning (14) is marked with a slight notching, this line for marking the beginning of transverse thinning (14) improves the both the geometry and the aesthetics of the transverse thinnedness (14).
- This line for marking the start of transverse taper (24) is of the same length and parallel to the line of bumps (20) and is situated naturally with respect to the latter at a distance equal to the width of the transverse taper "a "(27).
- This line for marking the start of transverse thinning (24) which proceeds by a light notching of the cream paper (3) either outside or inside the latter is produced simultaneously with the stamping of the lines of bumps ( 20).
- the cream paper (3) is marked at the connection line of the transverse thinned (14) and the longitudinal thinned (13).
- This thinned connection line (26) connects the end of the line for marking the start of transverse thinnedness (14) to the end of the stiffening notch line (23).
- This thinned connection line (26) naturally forms an angle "c" (46) of 45 ° relative to the main axes of the transverse thinnings (14) and the longitudinal thins (13).
- This thinned connection line (26) improves both the geometry and the aesthetics of the meeting area of the transverse thinnedness (14) and the longitudinal thinnedness (13).
- This thinned connection line (26) which proceeds by a light notching of the cream paper (3), either outside or inside the latter, is produced simultaneously with the stamping of the lines of bumps (20).
- the outer surface of the cream paper (3) corresponding to the future transverse thinning (14) is made rough in order to favor the attachment of the grouting coating which will later be applied in this area.
- This rough surface (25) corresponding to the polygons defined by the line of the stiffening notch (23), the line for marking the start of transverse thinnings (24) and the two thinned connection lines is obtained either by pecking, either by knurling, or by stamping, or by rubbing said surface.
- This step of the method according to the invention for producing rough surfaces (25) occurs at the same time as the stamping of the lines of bumps (20).
- the control of the transverse thinned height "b" (29) and the control of the transverse thinned width "a" (27) is done by adjusting the following parameters:
- the first device called a follower follower apparatus (30) associated with the method according to the invention appearing in fig 1 and detailed in fig 3 and fig 4 proceeds to all the phases of the method according to the invention of docking and machining on the fly and at a rapid rate, cream paper (3) before the latter engages under the mixer (1).
- These so-called machining operations are the embossing of the boss lines (20), the embossing of the boss line extensions (28), the coating of bumps coating (16), the coating coating of the reinforced surface (21 ), the making of the stiffening notches (23), the notching of the lines for marking the start of transverse thinning (24), the notching of the thinned connection lines (26), and the making of the rough surface ( 25).
- the stamping follower device (30) moved by its transmission motorization (33) catches up and takes a few fractions of seconds at the same speed as the cream paper (3).
- the lower table (31) an integral part of the follower follower device (30) moves up and down by means of the jacks and guides (34).
- the lower table (31) compresses the cream paper against the upper table (32) also an integral part of the stamping follower device (30).
- the tools equipping the lower table (31) and the upper table (32) come to have their effect and therefore locally machine the cream paper (3).
- the punches (35) equipping the upper table (32) and the dies (36) equipping the lower table (31) produce the lines of bumps (20) and according to a variant of the method of the invention the extensions of lines of bumps (28).
- the stampers (37) equipping the lower table (31) and the counter stampers (38) equipping the upper table (32) produce the stiffening notches (23), the lines for marking the start of transverse thinnings (24), the thinned connection lines (26), pecking of the rough surface (25).
- the internal edge (39) of the stamper (37) produces the stiffening notch
- the external edge (40) of the stamper (37) produces the lines for marking the start of thinnings and the lines for thinned connection (26)
- the pins (41) of the stamper produce the rough surfaces (25).
- the nozzles (44) located between the punches (35) project onto the bumps (16) and onto the reinforced surface (21) the coating (15) the main function of which is to hold and reinforce the bumps (16).
- the follower follower device (30) in position "02" during the machining of the cream paper (3) quickly returns to the position "01", a new docking and machining cycle for the cream paper (3) resumes at a step "p" (48) from the previous machining of the cream paper (3) and so on the cycle is repeated.
- the transmission motorization (33) is associated with suitable electronics, and with the pulse generator (42) which continuously measures the movement of the paper cream (3). This transmission motorization (33) can thus dock at rapid frequency the cream paper (3) and allow all the steps "p" (48) the machining necessary for the process according to the invention.
- the punches (35) and the dies (36) make it possible, by their forms and against forms, to produce bumps (16) which are either hemispherical or pyramidal or conical or even in Vz moon without these forms being limiting.
- the bumps (16) are protected when they pass through the zone located from the forming table (5) to the shaper (7).
- all the roughness of the forming table (5) all the attachment points (17) of the guides and forming rules are eliminated.
- Grooves are provided on the spreader (6), so this spreader (6) generally a vibrating table or beating rollers beat the cream paper (3) to spread the hydraulic binder (2) without affecting the bumps (16) which they passing through the grooves pass without being touched by the spreader (6).
- said zone located from the forming table (5) to the shaper (7) does not affect the lines of bumps (20) in any way.
- the second device ensuring the cut to the right of the imprints (19) consists of the imprint detector (18) at a distance "d” from the shears (2) and an adapted electronics which knows the speed "V" of the strip composite (45) gives the shear (11) the order to cut the composite strip (10) in line with the double slope imprint (19).
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Toys (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Cosmetics (AREA)
- Finishing Walls (AREA)
- Laminated Bodies (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0205490 | 2002-05-02 | ||
FR0205490A FR2839275B1 (fr) | 2002-05-02 | 2002-05-02 | Procede et dispositif pour fabriquer des plaques de platre presentant quatre bords amincis |
PCT/FR2003/001373 WO2003092976A1 (fr) | 2002-05-02 | 2003-05-02 | Procede de fabrication de plaques de platre a 4 bords amincis |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1507636A1 true EP1507636A1 (de) | 2005-02-23 |
EP1507636B1 EP1507636B1 (de) | 2006-04-26 |
Family
ID=29226133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03747485A Expired - Lifetime EP1507636B1 (de) | 2002-05-02 | 2003-05-02 | Verfahren zur herstellung von gipskartonplatten mit vier sich verjüngenden kanten |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060144497A1 (de) |
EP (1) | EP1507636B1 (de) |
AT (1) | ATE324239T1 (de) |
AU (1) | AU2003249388A1 (de) |
DE (1) | DE60304858D1 (de) |
FR (1) | FR2839275B1 (de) |
PL (1) | PL372802A1 (de) |
WO (1) | WO2003092976A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL202026B1 (pl) | 2002-02-26 | 2009-05-29 | Lafarge Platres | Sposób wytwarzania płyt na bazie spoiwa hydraulicznego, linia produkcyjna do wytwarzania takich płyt i urządzenie w szczególności do wykonania odcisku oraz zastosowanie takiego urządzenia w linii produkcyjnej |
FR2838370B1 (fr) | 2002-04-10 | 2004-05-28 | Lafarge Platres | Procede de fabrication de plaques de platre a quatre bords amincis |
DE202004008232U1 (de) | 2003-08-25 | 2004-10-21 | Lafarge Platres | Platten, basierend auf hydraulischem Bindemittel mit abgefasten Kanten |
DE102004042143B3 (de) * | 2004-08-31 | 2006-02-16 | Eisenmann Maschinenbau Gmbh & Co. Kg | Verfahren zur Herstellung von Bauelementen, insbesondere von Bauplatten, aus Feststoffabfällen |
US8123991B2 (en) * | 2005-11-09 | 2012-02-28 | John S Conboy | System and method for making wallboard |
FR2905965B1 (fr) * | 2006-09-15 | 2013-11-29 | Placoplatre Sa | Perfectionnement concernant une plaque de parement, notamment une plaque de platre. |
WO2011020146A1 (en) * | 2009-08-20 | 2011-02-24 | Dragan Haris | Profiled plasterboard |
UA113571C2 (xx) * | 2012-12-12 | 2017-02-10 | Синхронізоване регулювання кількості гіпсового тіста | |
WO2015103120A2 (en) | 2013-12-30 | 2015-07-09 | Saint-Gobain Placo Sas | Building boards with increased surface strength |
US10564081B2 (en) | 2017-02-03 | 2020-02-18 | United States Gypsum Company | System and method for evaluating edge hardness of cementitious boards and system for stacking cementitious boards inlcuding same |
US11029139B2 (en) | 2018-07-27 | 2021-06-08 | United States Gypsum Company | Wallboard score, snap and edge appearance test procedure |
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US1439289A (en) * | 1922-12-19 | Drying | ||
US1676318A (en) * | 1922-03-20 | 1928-07-10 | United States Gypsum Co | Apparatus for making lap-edged plaster sheathing board |
US1754429A (en) * | 1922-09-25 | 1930-04-15 | United States Gypsum Co | Plaster-wall-board construction |
US1856936A (en) * | 1928-08-11 | 1932-05-03 | Nat Gypsum Co | Plaster board apparatus |
US1856932A (en) * | 1929-10-01 | 1932-05-03 | Nat Gypsum Co | Method and apparatus for making plaster board |
US1871563A (en) * | 1929-10-30 | 1932-08-16 | United States Gypsum Co | Apparatus for manufacturing tile board |
US2044234A (en) * | 1933-12-01 | 1936-06-16 | Gordon R Walper | Method of manufacturing wallboard |
GB451389A (en) * | 1935-10-07 | 1936-08-05 | Georgia M Walper | Wall board and method of manufacturing the same |
US2238017A (en) * | 1937-10-23 | 1941-04-08 | United States Gypsum Co | Method and apparatus for manufacturing wallboard |
US2246987A (en) * | 1937-10-23 | 1941-06-24 | United States Gypsum Co | Continuous molding apparatus |
US2168803A (en) * | 1937-10-23 | 1939-08-08 | United States Gypsum Co | Method and apparatus for manufacturing wallboard |
US2537509A (en) * | 1944-12-20 | 1951-01-09 | United States Gypsum Co | Process for making wallboard |
US2712169A (en) * | 1951-08-03 | 1955-07-05 | George A Buttress | Machine for severing a ribbon of plasterboard to form plasterboard panels and finishing the ends of the panels |
US3050104A (en) * | 1957-07-17 | 1962-08-21 | Celotex Corp | Manufacture of gypsum board |
US2991824A (en) * | 1957-08-29 | 1961-07-11 | Celotex Corp | Recessed end gypsum board and process of manufacture |
US2991825A (en) * | 1957-09-05 | 1961-07-11 | Celotex Corp | Gypsum wallboard and process of manufacture |
US2991826A (en) * | 1957-09-11 | 1961-07-11 | Celotex Corp | Gypsum wallboard |
US3373065A (en) * | 1964-04-29 | 1968-03-12 | United States Gypsum Co | Gypsum board-forming methods and machines |
US4397123A (en) * | 1981-01-29 | 1983-08-09 | Parker Robert F | Drywall board construction |
DE3316946C2 (de) * | 1983-05-09 | 1986-07-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Einrichtung zum kontinuierlichen Herstellen von Werkstücken unter Verwendung exotherm erhärtender Bindemittel |
US4781558A (en) * | 1986-09-26 | 1988-11-01 | The Celotex Corporation | Apparatus for making an embossed gypsum panel |
US5851634A (en) * | 1992-08-11 | 1998-12-22 | E. Khashoggi Industries | Hinges for highly inorganically filled composite materials |
US7208225B2 (en) * | 1995-06-30 | 2007-04-24 | Lafarge Platres | Prefabricated plaster board |
US5673489A (en) * | 1996-02-14 | 1997-10-07 | Robell; Glenn | Gridded measurement system for construction materials |
US5975280A (en) * | 1996-09-09 | 1999-11-02 | Heidelberger Druckmaschinen | Device for transporting flat products to further processing units or delivery stations |
US20010044016A1 (en) * | 2001-02-22 | 2001-11-22 | Watras Edward W. | Continuous method of making four-tapered edge gypsum board and the gypsum board made therefrom |
PL202026B1 (pl) * | 2002-02-26 | 2009-05-29 | Lafarge Platres | Sposób wytwarzania płyt na bazie spoiwa hydraulicznego, linia produkcyjna do wytwarzania takich płyt i urządzenie w szczególności do wykonania odcisku oraz zastosowanie takiego urządzenia w linii produkcyjnej |
FR2838370B1 (fr) * | 2002-04-10 | 2004-05-28 | Lafarge Platres | Procede de fabrication de plaques de platre a quatre bords amincis |
EP1382424A1 (de) * | 2002-07-19 | 2004-01-21 | Lafarge Platres | Verfahren zum Herstellen von Platten aus hydraulischem Bindemittel mit sich verjüngenden Rändern sowie Fertigungsstrasse und Vorrichtung zur Herstellung derartiger Platten |
-
2002
- 2002-05-02 FR FR0205490A patent/FR2839275B1/fr not_active Expired - Fee Related
-
2003
- 2003-05-02 DE DE60304858T patent/DE60304858D1/de not_active Expired - Fee Related
- 2003-05-02 WO PCT/FR2003/001373 patent/WO2003092976A1/fr not_active Application Discontinuation
- 2003-05-02 PL PL03372802A patent/PL372802A1/xx unknown
- 2003-05-02 AT AT03747485T patent/ATE324239T1/de not_active IP Right Cessation
- 2003-05-02 AU AU2003249388A patent/AU2003249388A1/en not_active Abandoned
- 2003-05-02 EP EP03747485A patent/EP1507636B1/de not_active Expired - Lifetime
- 2003-05-02 US US10/513,038 patent/US20060144497A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO03092976A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE60304858D1 (de) | 2006-06-01 |
AU2003249388A1 (en) | 2003-11-17 |
WO2003092976A1 (fr) | 2003-11-13 |
ATE324239T1 (de) | 2006-05-15 |
FR2839275B1 (fr) | 2004-06-04 |
EP1507636B1 (de) | 2006-04-26 |
FR2839275A1 (fr) | 2003-11-07 |
PL372802A1 (en) | 2005-08-08 |
US20060144497A1 (en) | 2006-07-06 |
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BE489103A (de) |
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