CN100472016C - Board building material, board building material producing method, board building material installation method - Google Patents
Board building material, board building material producing method, board building material installation method Download PDFInfo
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- CN100472016C CN100472016C CNB2005800134378A CN200580013437A CN100472016C CN 100472016 C CN100472016 C CN 100472016C CN B2005800134378 A CNB2005800134378 A CN B2005800134378A CN 200580013437 A CN200580013437 A CN 200580013437A CN 100472016 C CN100472016 C CN 100472016C
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Abstract
The invention provides a board building material, in which openings are formed by a large number of recesses (13) or by through-holes (12) and the recesses (13). The bottom surface (16) of each recess is formed as a surface into which an engagement member (70) can be screwed or driven. The color of the bottom surfaces of the recesses is set to brightness relatively lower than the brightness of the color of a board surface (18). The base material of the board building material is a gypsum board, and the bottom surfaces of the recesses are formed by gypsum board base paper. In such a board building material, the region in which the engagement members are screwed or driven can be secured without impairing regularity, uniformity, or design features of the openings, and in addition, puttying etc. of portions where the engagement members are exposed can be eliminated.
Description
Technical field
The present invention relates to the manufacture method of board building material, board building material and the job practices of board building material, specifically relate to many perforates and visually be formed on lip-deep perforate board building material and manufacture method thereof equably or regularly, and the job practices of this board building material.
Background technology
As the interior decoration art work of building, be extensive use of the board building material (slab-type building material) of gypsum plank, calcium silicate board etc.This board building material generally uses the plate engagement device (following is called " engagement device ") of screw, nail etc., perhaps uses engagement device and adhesive simultaneously on the interior decoration substrate parts of lightweight steelframe substrate or pad sheet material (Homes Stickers り ボ-De material) etc.Engagement device is screwed into or hammers into board building material, its exposed portions serve and surface are become with one side or recessed a little, firmly be fixed on the interior decoration substrate parts with this.Around the exposed portions serve of the engagement device that is screwed into or hammers into, form local fluctuating or depression on the plate surface, perhaps the cross bore of the head of screw that engages with the turning tool of screw screwer etc. etc. is exposed at the plate surface.Therefore, will carry out putty to exposed portions serve before the construction of carrying out application or intersection laying etc. handles.
Forethought carries out such putty to be handled, and can imagine putty is handled the job practices that is screwed into or hammers into the position that the recess of usefulness or groove etc. are formed on engagement device in advance.For example, the circular depressions of diameter that will be bigger slightly than the profile of head of screw is formed on screw position in advance, and after screw was screwed into the center of recess, extending oil putty material in recess can be embedded in the head of screw that is exposed in the recess in the putty material thus.As similar techniques, open the board building material that discloses the ceramic tile pattern of groove in clear 55-138556 number with the rule that is equivalent to the ceramic tile seam Japanese Patent Application Publication communique, spy.By nail being hammered into the bottom land part, this board building material being fixed on the substrate parts.In groove, fill white cement.Because the head part of nail is embedded in the white cement hardenite, therefore visually can't see from the interior space.
And, known the decorated gypsum board that forms in advance ornament materials from the teeth outwards arranged, decorate the board building material of calcium silicate board etc.This board building material need not carry out the construction of application or intersection laying etc. on the plate surface.Therefore, only need board building material is fixed on ceiling surface or the metope, just can form the interior decoration decorative cover of indoor.When being fixed on such decoration board building material on the substrate parts with screw, consider the plate surface that forms by head of screw fluctuating or concavo-convex, head of screw exposes etc., the general employing partly carried out putty processing and special coating or used special measures such as screw head of screw.
As the outward appearance of such head of screw not being handled, visually can not being felt the method for the existence of head of screw, the method that forms in advance irregular pattern on the plate surface (Japanese Patent Application Publication communique, 2003-154514 number) is arranged.This method may be fit to as the decorative ceiling of the irregular pattern with small holes caused by worms (worm food い) pattern etc.But this method is not suitable for having the board building material of pattern same or rule, concavo-convex or perforate.
And has a perforate board building material that has formed a lot of paths or undersized through hole.The main purpose of perforate board building material is to prevent the sound-absorbing of echo, adjustment reverberation time etc. or adjust sound equipment, is made of the surfacing with suitable percent opening (plane materiel).But, perhaps the flaky material of paper etc. is laminated to the back side of surfacing generally with the damping material packed layer of the damping material of filling glass cotton etc. or the inboard that air layer is arranged on surfacing.As required, the indoor side surface of splitting the orifice plate type building materials in factory or job site is carried out the interior decoration decoration processing of application or intersection etc.On such perforate board building material, known have a structure (fissure-like perforation) (Japanese Patent Application Publication communique, 2000-504797 number (PCT international application open communique WO97/29254)) that a part of through hole is formed the polygon hole of non-perforation.
Be that main purpose perforate board building material is provided with many through holes with sound equipment adjustment or sound-absorbing generally, through hole is exposed at various patterns and shade on the whole surface.But the engagement device of plate hold-down screw etc. can not hammer into or be screwed into the through hole part.Therefore, the perforate board building material partly has the no opening area that can be screwed into or hammer into engagement device usually.For example, this no opening area is formed on the outer regions of plate, perhaps forms the banded state of run-through board.
But under situation about so no opening area being formed on the board building material, owing to will guarantee not have opening area, so the quantity of through hole and setting or systematicness, uniformity and aesthetic appearance are restricted.And, the putty that need be used for hiding the exposed portions serve of engagement device handle with and/or application processing etc.
Handle for outward appearance, can adopt to form the method (above-mentioned spy opens clear 55-138556 communique) that putty is handled the recess of usefulness or groove etc. in advance onboard the exposed portions serve of engagement device.But owing to aging or deterioration etc. are shunk, produced to the drying of putty, this method causes putty to handle the recess or the tangible more result of groove itself of usefulness on the contrary easily.
On the other hand, as described in above-mentioned 2003-154514 communique and 2000-504797 communique, form the perforate board building material that irregular method of patterning (promptly making the visually unconspicuous method of existing in of engagement device with irregular pattern) can not be applicable to the through hole with rule or equalization in advance on the surface.
And the perforate board building material is that purpose is used to improve indoor acoustic characteristic mainly, is in most cases preferably all constructed with the perforate board building material in certain zone.But,, also not necessarily wish all to be had sound absorption qualities all by working face according to the purposes or the structure in room.For example, sometimes preferably only to improve acoustic characteristic effectively part the perforate board building material is being set, in the part that does not need sound absorption qualities or need the part of number voice reflection that general board building material (no perforate board building material) is set.But the homogeneity or the unity of the outward appearance of having destroyed the interior decoration surface used in the mixing of perforate board building material and no perforate board building material, probably gives factitious impression or inharmonic sensation.This is difficult to carry out indoor appearance design under many circumstances.Therefore, in fact no matter whether need sound absorption qualities, to the methods that all adopted the perforate board building materials to construct without exception by working face of ceiling etc.
The purpose of this invention is to provide a kind of board building material and manufacture method thereof, this board building material is without detriment to systematicness, uniformity or the aesthetic appearance of perforate, being screwed into the zone or hammering into the zone of engagement device can be guaranteed, simultaneously, can application property can be improved to the putty processing of engagement device exposed portions serve etc. by omitting.
And, the job practices (construction method or execution method) that the purpose of this invention is to provide a kind of board building material, the job practices of this board building material can freely be set the sound-absorbing effect and the reverberation effect on interior decoration surface without detriment to the homogeneity or the unity of the outward appearance on interior decoration surface.
Summary of the invention
To achieve these goals, the invention provides a kind of board building material, the perforate of a plurality of recesses or recess and through hole formation is arranged on the board building material surface, it is characterized in that, all or part of of recess is arranged on the zone that should be screwed into or hammer into the board building material of engagement device, the bottom surface of recess forms the face that can be screwed into or hammer into engagement device, and the color settings one-tenth of bottom surface is lower than the relative brightness of plate surface color.
According to said structure of the present invention, board building material is fixed in the zone of substrate parts by recess being arranged on engagement device, can will be able to be formed on the perforate board building material with the fixing part (recess) of engagement device.The bottom surface color settings one-tenth of recess can be compared relative low brightness with the surface color of board building material.Recess and through hole are distinguished being difficult in visually when the indoor is seen, can be waited to feel identical impression visually for indoor occupants.That is,, form, so the systematicness of perforate, uniformity or aesthetic appearance, be not subjected in order to ensure being screwed into the zone or hammering into the zone and the restriction that forms by the recess that visually is considered to through hole owing to can be screwed into or hammer into the part of engagement device.
The invention provides a kind of board building material, the perforate of a plurality of recesses or recess and through hole formation is arranged on the board building material surface, it is characterized in that, perforate is arranged on the plate surface regularly or equably, the color settings one-tenth of recess bottom surface is lower than the relative brightness of plate surface color.
According to said structure of the present invention, be difficult in from the indoor and visually distinguish recess and through hole, recess waits with identical impression visually for indoor occupants with through hole.The systematicness of perforate, uniformity or aesthetic appearance are not formed the restriction (or be replaced as restriction that recess produce with part or all of through hole) of recess.And, since the exposed portions serve of engagement device can be arranged on the bottom surface (that is, and be configured to compare with the plate surface color relative brightness low, than low bottom surface, plate surface) on, therefore indoor occupants waits the exposed portions serve that visually is difficult to recognize such engagement device.Therefore, can save the putty processing etc. of engagement device exposed portions serve.
Therefore, according to board building material of the present invention, can guarantee that engagement device is screwed into the zone or hammers into the zone and without detriment to systematicness, uniformity or the aesthetic appearance of perforate, simultaneously, the application on putty processing by saving the engagement device exposed portions serve etc. or board building material surface intersects lays etc., can improve application property.
Can use the engagement device in fact have with the homochromy exposed portions serve in bottom surface according to hope, perhaps will be in fact be coated on the exposed portions serve of engagement device with the homochromy coating in bottom surface.The surface that is preferably in the engagement device exposed portions serve forms and makes the irreflexive trickle fluctuating of light or concavo-convex.For example, the engagement device exposed portions serve forms so trickle fluctuating or concavo-convex back, paints in fact identical with bottom surface color.Other method is to compare thick application on the engagement device exposed portions serve, forms the trickle fluctuating that formed by coating or concavo-convex on the engagement device exposed portions serve.By like this, can prevent to make the visually tangible phenomenon of engagement device exposed portions serve owing to incide the natural light or the artificial light of the specific direction of recess.That is,, can make the engagement device exposed portions serve more not obvious, can make indoor occupants etc. be unaware of engagement device fully by adopting such straightforward procedure.
Above-mentioned recess is preferably disposed on the zone that should be screwed into or hammer into the board building material of engagement device, and the bottom surface of recess forms the face that can be screwed into or hammer into above-mentioned engagement device.
And, the invention provides a kind of board building material, it is characterized in that, in the board building material of said structure, set the sound absorption properties of board building material by the ratio of regulating recess and through hole.
According to such structure of the present invention, can set the sound-absorbing effect and the reverberation effect on the interior decoration surface of board building material arbitrarily.That is, because through hole plays the effect of the sound absorption properties that improves board building material, recess plays the effect of the sound absorption properties that reduces board building material, therefore by regulating the ratio of recess and through hole, can freely set the sound absorption properties of board building material.And the ratio of recess and through hole changes systematicness, uniformity or the aesthetic appearance without detriment to perforate.The ratio of recess and through hole is regulated to regulate by the ratio of aperture area and is carried out, or is undertaken by the quantity ratio of regulating recess and through hole.
According to the present invention, also can form all perforates of board building material by above-mentioned recess.Such board building material is different with the sound absorption properties perforate board building material that forms perforate with through hole, can be used as non-sound absorption properties perforate board building material and uses.This non-sound absorption properties perforate board building material is owing to wait and the identical impression of sound absorption properties perforate board building material visually for indoor occupants, therefore, even on by working face with the situation of the adjacent construction of sound absorption properties perforate board building material under, do not have inharmonic sensation yet.That is, indoor occupants waits the different of the sound absorption properties perforate board building material visually be difficult to tell adjacent setting and non-sound absorption properties perforate board building material.Therefore, can not destroy the outward appearance homogeneity on interior decoration surface or unity ground will bring into play the perforate board building material of sound-absorbing effect and only be formed on by on the part of working face.
And,, preferably be set at interval coupling with substrate parts (the furred ceiling muscle of ceiling) with certain intervals setting for the configuration of the recess on the sound absorption properties perforate board building material.On the other hand, in the job site of reality,, board building material need be cut into less size, or the equipment opening of air-conditioner air outlet, air-conditioning, ligthing paraphernalia etc. be set or opening girth member etc. is set in order to adjust the size at wall edge.The board building material (non-sound absorption properties perforate board building material) that is formed whole openings by above-mentioned recess can be fit to be arranged on such part.For example, in principle with only whole ceiling being constructed being fit to be provided with on the position of engagement device the board building material (sound absorption properties perforate board building material) that has recess, on other parts, forms through hole, in such ceiling surface, non-sound absorption properties perforated panel by way of exception only can be arranged near the wall limit or the equipment opening around.Like this,, also can not destroy the homogeneity or the unity of the outward appearance of ceiling surface, and still can guarantee to save the effect of improving workability of putty processing etc. even under the situation that non-sound absorption properties perforated panel is set.
From other viewpoints, the invention provides a kind of manufacture method of board building material, make above-mentioned perforate board building material, it is characterized in that, with the smooth press surface of formpiston by on the surface that is pressed in board building material, form the recess of prescribed depth on the plate surface, simultaneously, formation can be screwed into or hammer into the bottom surface of the recess of plate engagement device.
According to the manufacture method of said structure, can make board building material of the present invention expeditiously.
Preferably use have the guide hole that can insert formpiston and can with the guide plate of the bearing surface of plate surface butt.The press surface of formpiston under the state of the bearing surface of guide plate and plate surface butt, be pressed against on the plate surface.
Preferably be provided with consistent with the profile of recess in fact and make nip the transiently parts on plate surface of easy deformation ground, plate surface.As such parts of nipping, the lip-deep parts of nipping that the flexural deformation mechanism of groove, V-notch, bending line or point etc. are formed on board building material are arranged, for example be fit to use the parts of nipping of projection, blade, bonding part etc.
And, from other viewpoint, the invention provides a kind of job practices of board building material, it is characterized in that, with first board building material and second board building material constructed in the interior decoration surface, first board building material is regulated ratio, the raising sound absorption properties of recess and through hole as described above; Second board building material is regulated ratio, the reduction sound absorption properties of recess and through hole, sets indoor sound-absorbing effect and reverberation effect by first and second board building materials are set.
According to the job practices of said structure, can not destroy the outward appearance uniformity on interior decoration surface or sound-absorbing effect and the reverberation effect that the interior decoration surface is freely set on unity ground.
In addition, comprise also that on the low board building material of sound absorption properties (second board building material) through hole does not all have and only has the non-sound absorption properties board building material of recess.
Of the present invention preferred embodiment in, above-mentioned bottom surface has the telltale mark that the leading section of engagement device can be positioned.Such telltale mark be as make the operator find out board building material the permanent position mark and use.The most handy printing of this telltale mark, be coated with coat, formation such as depression.Mark preferably is made of the depression or the hole of the front end that can insert engagement device, is arranged on the center of recess bottom surface.According to such structure, can make the center of engagement device alignment recesses by telltale mark, simultaneously, engagement device correctly is screwed into or hammers into board building material by specifically labelled guiding.
According to certain embodiment of the present invention, above-mentioned through hole and recess are formed on the plate surface with a plurality of perforates of size shape homogeneous.According to other embodiments of the present invention, set the bore size of through hole and recess matchingly with the aperture pattern on plate surface.For example, adopt in bore size under the situation of interim or the aperture pattern that gradually changes, suitably set the position of opening and the bore size of through hole and recess according to the rule of aperture pattern.In addition, in the above-described embodiment, the section shape of perforate can be selected shape arbitrarily such as polygons such as triangle, quadrangle, pentagon or circle.
The matrix material of board building material is preferably formed by gypsum plank, and the bottom surface of recess is preferably formed with body paper by gypsum plank.Recess is by the compression molding with the non-heating of the local compacting of matrix material, for example carves on the surface that is located at gypsum plank by punch process.The bottom surface of recess and side are covered by the gypsum plank body paper.From the concave depth of board-like building material surface preferably consider when carrying out punch process might recess have a common boundary the gypsum plank body paper that part produces intensity reduction, tension rift, cut off, aspect two of the visual effects of loss or deterioration and recess.For example, to set significantly under the situation of concave depth, can obtain the visual effect identical, very desirable with through hole, but the gypsum plank body paper that then is easy to generate the recess bottom surface when being screwed into or hammer into engagement device is peeled off, the phenomenon that the gypsum plank body paper floats owing to the counter-force that is screwed into or the counter-force that hammers into.On the other hand, under the situation of setting concave depth lessly, though might avoid this phenomenon, but being easy to generate and making the person of seeing (beholder) sensation recess and through hole is visual effect of different nature, or is easy to generate the problem of coating attached to the recess bottom surface when carrying out the application on plate surface.Therefore, preferably will be set at from the recess depths of board-like building material surface in the scope of 0.1～2.0mm, better in the scope of 0.3～1.0mm.Preferably the gypsum plank body paper is coloured in advance the color of above-mentioned bottom surface, perhaps the coating with the color of above-mentioned bottom surface is coated on the exposed portions serve of bottom surface and engagement device.
By punch process etc. recess is being carved under the situation about being located on the gypsum board surface, preferably consider might recess have a common boundary the gypsum plank body paper that part produces intensity reduction, tension rift, cut off, aspect the fracture two of loss or deterioration and the body paper that engagement device is screwed into or produces because of the power that is applied on the plate body paper when hammering into board building material.As concrete countermeasure, for example the weight per unit area (i.e. " level ground amount ") of plate body paper can be set in 150～250g/m
2Scope, more preferably greater than equaling 200g/m
2And, as other countermeasure the method for adding the medicament with the effect between bonding gypsum board core and plate body paper when making gypsum plank is arranged, issuable the problems referred to above by can suppress punch process like this time.
The proportion of gypsum board core has and the corresponding proper range of concave depth.Departing under the situation of this proper range, core is damaged during owing to compression, and therefore the phenomenon that the plate body paper comes off takes place easily.Consider this phenomenon, for example the proportion of core is set in 0.5～1.0, preferably 0.7～0.9 scope.And the raw material of gypsum plank generally uses the plaster of paris, chemical gypsum and reclaimed gypsum, but preferably reduces the configuration proportion of reclaimed gypsum.
In order to prevent that intensity that aperture portion makes gypsum plank reduces and refractoriness reduces because of forming, be preferably in when making gypsum plank the reinforcement material that adds glass fiber etc. to in-core.Under the situation of ceiling being constructed with board building material, the glass fiber performance prevents the effect on its limit of collapsing (bending).And, be preferably in and add boric acid etc. in the core raw material in order to prevent the limit of collapsing.
In order to improve sound absorption properties, preferably made of paper, resin film-making etc. sheet material is laminated to the back side of the through hole of board building material.By such sheet material is laminated to the back side, can suppress flame by the phenomenon of through hole to the effect of the back side of board building material.Especially under the situation of considering refractoriness, sheet material is preferably used the anti-flammability sheet material that contains glass fiber and inorganic matter.Inorganic matter for example has calcium carbonate, calcium silicates, calcium hydroxide, sepiolite, zeolite etc.
In other embodiments of the present invention, except above-mentioned perforate, the clad of specific thickness is laminated to the surface of the matrix material of board building material.The bottom surface of recess is formed by substrate material surface, and the side of recess is formed by the edge portion of clad.Clad preferably is formed on the surface of matrix material as the thicker coating of coating or material of paint.According to such structure, can on the part that does not form clad, form recess, the concave depth size can be according to the thickness setting of clad.Preferably with the thickness setting of clad in the scope of 0.1～2.0mm, better in the scope of 0.3～1.0mm.
Description of drawings
Fig. 1 is the elevation of structure of perforate board building material of the expression first embodiment of the present invention and the sectional view of I-I line.
Fig. 2 is that the part of perforate board building material shown in Figure 1 enlarges sectional view and the local stereogram that enlarges.
Fig. 3 is the partial perspective view of seeing perforate board building material illustrated in figures 1 and 2 from the indoor.
Fig. 4 is that the part of II-II line shown in Figure 1 enlarges elevation.
Fig. 5 be expression with the plate hold-down screw be screwed into recess, part that the perforate board building material is fixed on the state on the interior decoration substrate parts enlarges sectional view and stereogram.
Fig. 6 is the stereogram of expression recess formation method.
Fig. 7 is the stereogram of other recess formation methods of expression.
Fig. 8 is the sectional view and the local sectional view that enlarges of elevation, III-III line of formation of the perforate board building material of the expression second embodiment of the present invention.
Fig. 9 is the partial perspective view of perforate board building material shown in Figure 8.
Figure 10 is the stereogram that expression is provided with the part construction example that the perforate board building material that disposes recess on the perforate board building material of recess and the whole zone constructs to ceiling surface.
Figure 11 is the ceiling upward view that the screw position that is arranged on the perforate board building material on the ceiling surface is divided in expression.
Figure 12 is the ceiling upward view that the screw position that is arranged on the perforate board building material on the ceiling surface is divided in expression.
Figure 13 represents that the ceiling division of carrying out the ceiling surface after the perforate board building material is constructed is provided with figure.
Figure 14 is the sectional view in the room of a kind of plate setting of expression, and the acoustics of indoor ceiling face is considered in this plate setting.
Figure 15 is the expansion sectional view and the partial perspective view of structure of the perforate board building material of the expression third embodiment of the present invention.
Figure 16 is the elevation of perforate board building material of the variation of the size of expression through hole and recess and arrangement.
Figure 17 is the elevation of perforate board building material of other variation of the size of expression through hole and recess and arrangement.
Figure 18 is the elevation of perforate board building material of other variation of the size of through hole and recess and arrangement.
Figure 19 is the elevation, the sectional view and the back elevation of IV-IV line of formation of the perforate board building material of expression comparative example.
The specific embodiment
Following with reference to accompanying drawing, be elaborated with regard to suitable embodiment of the present invention.
First embodiment
Fig. 1 and Fig. 2 are sectional view, the local sectional view and the local stereograms that enlarges of enlarging of elevation, I-I line of structure of the perforate board building material of the expression first embodiment of the present invention.Figure 19 is the elevation, the sectional view and the back elevation of IV-IV line of formation of the perforate board building material of expression comparative example.
The matrix material of perforate board building material 1, be to be that (for example the gypsum plank of thickness T=9.5mm) constitutes T, has given size W * L (rectangle profile (facing) of 455mm * 910mm) for example by the specific thickness that coats the two sides of gypsum core materials 10 with gypsum plank body paper 11.Liner (
Be laminated on the back side of perforate board building material 1 as て シ-ト) 15.Liner 15 utilizes adhesive to be attached to the back side of gypsum plank.Liner 15 is fit to use the sheet material that contains glass fiber and inorganic matter.
On perforate board building material 1, penetrate a plurality of square through holes 12 are set.As shown in Figure 2, each through hole 12 (representing with the square of blacking in Fig. 1 (A)) connects gypsum core material 10 and gypsum plank body paper 11.Expose the edge portion of gypsum plank body paper 11 and the cross section 10a of gypsum core material 10 in through hole 12, the eye impressions of through hole 12 are by the tone of gypsum core material 10, gypsum plank body paper 11 and liner 15 or incide through hole 12 and near natural light or artificial light decides.
The perforate board building material 9 of Figure 19 (A) and Figure 19 (B) expression comparative example, perforate board building material 9 also has many square through holes 92 (use the square of blacking in the frame is represented).Each through hole 92 connects gypsum core material 90 and gypsum plank body paper 91.Liner 95 is laminated to the back side of perforate board building material 9.In perforate board building material 9, through hole 92 distributes equably or is dispersed on the whole perforate board building material 9.Therefore, perforate board building material 9 is fixed on the interior decoration substrate parts, must guarantees to be used to be screwed into the no opening area of screw etc. in order to utilize plate hold-down screw etc.Therefore, as among Figure 19 (C) as shown in the perforate board building material 9 ', on the outer regions of plate or banded part of crossing plate, form no opening area 93.But owing to form so no opening area 93, the aesthetic appearance of perforate board building material 9 is restricted.
As shown in Figure 1, the perforate board building material 1 of present embodiment has the formation that the many square recess 13 (representing with blank square) that will arrange with through hole 12 is arranged on no opening area S in figure (A).No opening area S comprises the outer edge S1 of the side edge region that extends in perforate board building material 1 and ora terminalis zone (that is outer regions) and a plurality of S2 of portion that cross that extend in parallel with the ora terminalis or the lateral margin of perforate board building material 1.
As shown in Figure 2, set through hole 12 for identical size G * G with the bore size of recess 13.Consider the size of engagement device or fixing operation operability, also have the confining force of engagement device etc., size G preferably is set at more than or equal to 8mm.Recess 13 for example utilizes punch process to carve and is located on the gypsum board surface.Space in the recess 13 is divided by bottom surface 16 and side 17 and is formed.The depth D of recess 13 is set in the scope of 0.1～2.0mm, is preferably in the scope of 0.3～1.0mm.In addition, in the present embodiment, when considering punch forming issuable recess have a common boundary part gypsum plank body paper 11 intensity reduction, tension rift, cut off, loss or deterioration etc., set the depth D of recess 13 as described above.But, under the situation of the board building material of the gypsum plank that uses the profile do not have gypsum plank body paper 11 or other materials, also can set the depth D of recess 13 for bigger size.
The plate body paper 11 that will be positioned at the face side of perforate board building material 1 in advance is coloured to and makes onlooker (indoor occupants etc.) sensation recess 13 tone, brightness and the saturation ratio identical with the eye impressions of through hole 12.On plate body paper 11, smear incrustation coating, form coating 18.Except the perforate part of through hole 12 and recess 13, coating 18 is formed on whole plate surf zone, forms to be exposed at indoor interior decoration decorative cover.Though plate body paper 11 is exposed on the bottom surface 16 and side 17 of recess 13, but as mentioned above, plate body paper 11 after painted since with the relation of the color of coating 18, and owing to make generation such as indoor occupants and through hole 12 feel identical eye impressions with the relation of the depth D of recess 13.
And, also the coating different with incrustation coating can be coated on the plate body paper 11 of recess 13 parts.In this case, can select that indoor occupants is waited and produce the coating of tone, brightness and the saturation ratio of the eye impressions identical as spreading upon coating in the recess 13 with through hole 12.And expose the coating of preferably also coating tone, brightness and saturation ratio at indoor head of screw with eye impressions identical with the bottom surface 16 of recess 13 and side 17.
Fig. 3 is the partial perspective view of orifice plate type building materials 1 of accepting an unpleasant fact from the indoor.
Fig. 4 is that the part of II-II line shown in Figure 1 enlarges elevation.
The telltale mark 19 of plate hold-down screw is formed on the recess 13 of assigned position.Shown in Fig. 2 (B), each mark 19 is recessed to form by the small size that is located at 16 centers, bottom surface quarter.In the present embodiment, though set each depression for very little size, but by concave design is become bigger size, also can alleviate and be screwed into or needed power (be screwed into power or hammer into power) when hammering into engagement device, that suppresses the plate body paper peels off phenomenon (peeling off of the plate body paper of the bottom surface that its counter-force produces when being screwed into or hammering into).Mark 19 need not be arranged on the recess 13 of all arrangement settings, supposes the position and the interval of plate hold-down screw in advance, only is formed on the recess 13 that is equivalent to the screw assumed position to get final product.In the present embodiment, the recess 13 that forms the recess 13 of mark 19 and do not have a mark 19 is crisscross arranged.
Fig. 5 (A) and Fig. 5 (B) are the part expansion sectional views of the state on the interior decoration substrate parts 60 that perforate board building material 1 is fixed on.
Shown in Fig. 5 (A), plate hold-down screw 70 is positioned at the state at leading section 72 alignment marks 19 centers is screwed into the position.The turning tool (not having diagram) that utilizes screw screwer etc. with screw 70 be screwed into perforate board building material 1, with substrate parts 60 engagements.Shown in Fig. 5 (B), the head of screw 71 of screw 70 is screwed to position with bottom surface 16 couplings, be pressed into the gypsum plank body paper 11 of bottom surface 16.Screw 70 the end face of head of screw 71 form with the states of gypsum plank body paper 11 with one side under static.Like this, perforate board building material 1 utilizes the confining force of screw 70 to be fixed on the substrate parts 60.
Fig. 5 (C) is the stereogram and the local sectional view that enlarges of the top surface structure of expression head of screw 71.
Perforate board building material 1 is shown in Fig. 5 (B), be fixed on states in the recess 13 that head of screw 71 is housed on the substrate parts 60 of furred ceiling muscle etc., but head of screw 71 has the character of reflection natural light or artificial light usually, and the reflection mode is slightly different with perforate board building material 1.For example, when the light of specific direction incided in the recess 13, the reverberation of head of screw 71 visually made the existence of head of screw 71 seem obvious to carry out reflectively with different mode around it easily.The method that prevents such state is shown in Fig. 5 (C).That is, be formed on the end face of head of screw 71 trickle concavo-convex 75, simultaneously, on concavo-convex 75, carry out application, form coating 74.For example when making screw 70, on the head of screw end face, form trickle fluctuating or the head of screw end face is formed the pear-skin texture pattern pattern, by such formation concavo-convex 75.Coating 74 forms the trickle relief pattern as embossed pattern on the head of screw end face, light is carried out diffuse reflection.Therefore can avoid making the visually tangible state of head of screw end face owing to the incident light of specific direction.In addition, coating 74 is preferably carried out application in factory in advance.
Fig. 6 and Fig. 7 are expression is used for forming the recess manufacturing process of recess 13 on the matrix material W of perforate board building material 1 stereogram and sectional views.
Matrix material W is to be that (for example the gypsum plank of thickness T=9.5mm) forms T by the specific thickness that covers the two sides of gypsum core materials 10 with gypsum plank body paper 11.In recess manufacturing process shown in Figure 6, use formpiston 30.In recess manufacturing process shown in Figure 7, use formpiston 30 and guide plate 31.
Fig. 6 represents the most basic recess manufacturing process, and the bottom driven device of formpiston 30 (not having diagram) is vertically by the horizontal upper that is pressed in matrix material W (Fig. 6 (A)).Formpiston 30 has smooth press surface 35, press surface 35 nip a little matrix material W above, with matrix material W partial compression (Fig. 6 (B)).In case drive unit rises formpiston 30, then recess 13 is formed on top (Fig. 6 (C)) of matrix material W.
Like this, on the matrix material W that has formed recess 13, application or spray-painting plant by glue spreader etc. carry out incrustation processing.Experience according to the present inventor, if the depth D (Fig. 2) of recess 13 is set for less than 0.3mm, then not only the bottom surface 16 of the surface of matrix material W but also recess 13 is also adhered to coating or material of paint easily, therefore only application is carried out on the surface or spraying is very difficult (its result produces more substandard products).On the other hand, if the depth D of recess 13 (Fig. 2) surpasses 1mm, then gypsum plank body paper 11 ruptures easily at step difference part (limit portion) 13a place of recess 13 or is fragile, its result, and the gypsum plank body paper 11 of bottom surface 16 separates with gypsum core material 10 easily.Like this when screw is screwed into recess 13, might produce be screwed into the phenomenon (workability deterioration) that counter-force float of the gypsum plank body paper of bottom surface 16 because of screw.Therefore, especially with under the situation of gypsum plank as matrix material W use, the depth D of recess 13 (Fig. 2) preferably is set in the scope of 0.3～1.0mm, and is better in the scope of 0.4～0.8mm.
In recess manufacturing process shown in Figure 7, use guide plate 31 (Fig. 7 (A)) with guide hole 32.The top butt of the following and matrix material W of guide plate 31.Guide hole 32 is arranged on the position (Fig. 7 (B)) of answering moulding recess 13.The shape and size of guide hole 32 in fact with the section shape and the consistent size of formpiston 30.Formpiston 30 is inserted guide hole 32, and vertical pressing is on the horizontal upper of matrix material W.After formpiston 30 and guide plate 31 risings, recess 13 is formed on top (Fig. 7 (C)) of matrix material W.Under the situation of using such guide plate 31, because the angle in corner and the bight of the recess 13 that can more correctly be shaped, so can form more clearlyly or divide clearly the profile of recess 13.
Recess shown in Figure 7 forms device, is preferably in the parts of nipping that the plate of nipping constitutes with also having transition outside such guide plate 31 outwardly.This parts butt when guide plate 31 descends and above the matrix material W of nipping.When guide plate 31 is pushed matrix part W, the parts of nipping nip gypsum plank body paper 11, gypsum plank body paper 11 cut off or makes its fracture partly.Its result, consistent many slits of arranging with the profile of recess 13 or aperture etc. be formed on matrix material W above.The edge portion of the recess after the moulding is distortion, bending more correctly under the pressure of formpiston.Therefore the corner portion of recess and the angle in bight can quite correctly be shaped.By using such parts of nipping, can more clearly form or divide clearly the profile of recess.In addition, formpiston 30 also below central authorities have pimple.This pimple will constitute the depression mint-mark of above-mentioned telltale mark 19 on matrix material W.And, in such forming process, guide plate 31, formpiston 30 and the above-mentioned parts of nipping are dropped on the matrix material W simultaneously, carry out the formation of above-mentioned slit or aperture and the formation of recess in fact simultaneously.
Second embodiment
Fig. 8 is the elevation of structure of perforate board building material of the expression second embodiment of the present invention and the sectional view and the local sectional view that enlarges of III-III line, and Fig. 9 is the partial perspective view of perforate board building material shown in Figure 8.
In Fig. 8 and Fig. 9, the perforate board building material 2 that expression is made as matrix material with the gypsum plank identical with above-mentioned first embodiment.Perforate board building material 2 is identical with the perforate board building material 1 of above-mentioned first embodiment, by the specific thickness that covers the two sides of gypsum core materials 10 with gypsum plank body paper 11 is that (for example the gypsum plank of thickness T=9.5mm) forms T, and perforate board building material 2 has given size W * L (rectangle profile (facing) of 455mm * 910mm) for example.Liner 15 is laminated on the back side.Can omit liner 15 as required.
Perforate board building material 2 and perforate board building material be 1 identical, have recess 13 utilizing the plate fixing screw to be fixed on the zone on the interior decoration substrate parts.Set for each of the recess 13 of above-mentioned perforate board building material 1 the bore size G * G of recess 13 and depth D measure-alike.
Perforate board building material 2 and above-mentioned perforate board building material be 1 different, without any through hole 12, and have recess 13 in the position of the through hole 12 (Fig. 1) that is equivalent to perforate board building material 1.Therefore, perforate board building material 2 though have the face shape identical with perforate board building material 1, has equally distributed recess 13 on whole zone shown in Fig. 8 (A), do not bring into play the through hole of sound absorption fully.
The plate body paper 11 that will be positioned at the face side of perforate board building material 2 in advance is coloured to tone, brightness and the saturation ratio with eye impressions identical with the through hole 12 (Fig. 1) of perforate board building material 1.By such recess 13 indoor occupants being waited produces and the identical impression of through hole 12 (Fig. 1).Coated surfaces decorative paint, formation coating 18 on plate body paper 11.Except part, the coating 18 of recess 13 is formed on whole plate surf zone.Though plate body paper 11 exposes on the bottom surface 16 and side 17 of recess 13, but as mentioned above, plate body paper 11 after painted since with the relation of the color of coating 18, and owing to make indoor occupants wait generation and the identical eye impressions of through hole 12 (Fig. 1) with the relation of the depth D of recess 13.
In addition, identical with the recess 13 of perforate board building material 1, also the coating different with incrustation coating can be coated on the plate body paper 11 of part of recess 13.In this case, with the plate body paper 11 of part of the paint spraying recess 13 of tone, brightness and saturation ratio with eye impressions identical with through hole 12 (Fig. 1).Expose preferably to use to have and carry out application with the coating of tone, brightness and the saturation ratio of the bottom surface 16 of recess 13 and side 17 identical eye impressions at indoor head of screw.Fixedly perforate board building material 1 preferably uses in factory and trickle relief pattern is coated with the screw (Fig. 5 (C)) that installs on the head of screw end face.
The telltale mark of plate fixing screw (not having diagram) preferably is formed on the recess 13 of assigned position same as the previously described embodimentsly.
As shown in Figure 9, recess 13 will have with the doubtful through hole of the identical visual effect of through hole 12 (Fig. 1) of perforate board building material 1 and be formed on the perforate board building material 2.Therefore, perforate board building material 2 can think that visually through hole with rule is arranged on the perforate board building material on the whole plate face equably.
The stereogram of Figure 10 construction example that to be expression construct perforate board building material 1 and perforate board building material 2 to ceiling surface.
The ceiling substrate 6 of steel utilizes furred ceiling muscle 61, furred ceiling muscle bolster 62, corbel 63 and the hanging bolt 64 of light reinforced system to construct.Perforate board building material 1 and perforate board building material 2 are fixed on the furred ceiling muscle 61 by plate hold-down screw (not having diagram).As shown in Figure 5, be screwed into bottom surface 16, perforate board building material 1,2 is fixed on the furred ceiling muscle 61 by plate hold-down screw 40 is positioned on the mark 19 and with turning tool.
Because adjacent perforate board building material 1,2 makes indoor occupants visually have identical impression, therefore indoor occupants waits and thinks that regularly arranged through hole is distributed on the whole ceiling surface.Therefore without detriment to the outward appearance uniformity or the unity on interior decoration surface, and perforate board building material 1,2 can be mixed use on ceiling surface.
Figure 11 and Figure 12 are the ceiling upward views that the screw position that is arranged on the perforate board building material 1,2 on the ceiling surface is divided in expression.
Figure 11 is that expression is arranged to the vertical construction example that connects seam (perforation seam) form, the quadrature on intersection point 66 of seam 65 in length and breadth with the seam 65 of perforate board building material 1,2.Figure 12 is a construction example of representing the seam 65 of perforate board building material 1,2 is arranged to saddle (horse) seam (tortuous seam) form, butts 68 and flushes on longitudinal seam 67.All plate hold-down screw 40 can be positioned on the suitable recess 13 in any case.
Figure 13 is that the ceiling that carries out the ceiling surface after perforate board building material 1,2 is constructed is divided arrangement diagram.
What represent in Figure 13 is to arrange by the division of plate that metope 81 is divided the ceiling surface of boundaries.The seam of ceiling is arranged to the vertical form that connects seam (connecting seam).The machinery equipment operated by rotary motion of ligthing paraphernalia 82, loudspeaker 83, emergency lighting 84, air-conditioning blowing mouth 85 and ceiling inspection hole 86 etc. is on ceiling surface.The perforate board building material that is cut into reduced size is set near metope 81 usually, and the perforate board building material is connected with metope 81 by ceiling peripheral frame (not having diagram).
Ceiling shown in Figure 13, the main use penetrates the perforate board building material 1 that is provided with many through holes 12, but forming on such perforate board building material 1 under the situation of machinery equipment opening, or perforate board building material 1 is cut under the undersized situation trend that has the intensity (rigidity, flexural deformation intensity, shear strength etc.) of perforate board building material 1 to reduce significantly.Therefore, on ceiling surface shown in Figure 13, the perforate board building material 2 that only has recess 13 is arranged near the metope 81, the zone of machinery equipment 82,83,84 maybe should be set.
As variation, also decorated gypsum board (for example ジ プ ト-Application of producing of Yoshino Gypsum Co., Ltd., マ-Block Le ト-Application etc.) can be arranged near the zone that machinery equipment 82,83,84 maybe should be set the metope 81.
Figure 14 is that the room sectional view that the plate of the effects,sound of indoor ceiling face is provided with is considered in expression.
Figure 14 is that expression is such as classroom or auditorium etc., the dais 88 that is provided with usefulness such as teacher, lecturer, expositor and the room 87 of blackboard 89.From sound equipment design, preferably consider such room 87, form near the dais 89 ceiling surface, and on the ceiling surface in the zone of leaving dais 89 (tin speaker zone), the higher ceiling material of acoustic absorptivity (the ceiling material that the acoustic reflex rate is lower) is set with the higher ceiling material of acoustic reflex rate (the ceiling material that acoustic absorptivity is lower).But always the Exterior Design of a unified ceiling surface of emphasis forms the perforate board building material of in fact bringing into play identical acoustic absorptivity on whole ceiling region.
But, perforate board building material 1,2 according to said structure, as shown in figure 14, higher (so acoustic absorptivity is lower) perforate board building material 2 of available sound equipment reflectivity forms near the ceiling surface the dais 89, and higher (so the acoustic reflex rate is lower) the perforate board building material 1 of available acoustic absorptivity forms the ceiling surface of paying attention to the class the zone.The ceiling surface of perforate board building material 2 reflects lecturer, lecturer's etc. sound effectively, and it is clear to make to the acoustic of listening speaker's side.For perforate board building material 1, for example the ceiling surface of acoustic absorptivity about 0.5 is formed on and listens a speaker zone, can reduce reverberation, not hear lecturer's etc. sound easily.And because the whole ceiling surface in room 87 is constructed with visually identical perforate board building material 1,2, the Exterior Design of ceiling surface is unified.
The 3rd embodiment
Figure 15 is the expansion sectional view and the partial perspective view of structure of the perforate board building material of the expression third embodiment of the present invention.
Figure 15 is the perforate board building material 3 that expression has square through hole 12 and square recess 13.The perforate board building material of perforate board building material 3 and above-mentioned first embodiment is 1 identical, be that (for example the gypsum plank of thickness T=9.5mm) forms T, has given size W * L (rectangle profile (facing) of 455mm * 910mm) for example by the specific thickness that covers the two sides of gypsum core materials 10 with gypsum plank body paper 11.Liner 15 is laminated on the back side of perforate board building material 3.
The gypsum plank body paper 11 that will be positioned at face side is coloured to tone, brightness and the saturation ratio with eye impressions identical with through hole 12, and recess 13 visually makes indoor occupants wait with through hole 12 and produces identical impression.Can form the resin emulsion paint of thicker clad 20 or resinon paint material etc. is laminated on the gypsum plank body paper 11 except through hole 12 and recess 13 parts.The thickness D of clad 20 is set in the scope of 0.1～2.0mm, is preferably in the scope of 0.4～1.0mm.The bore size of through hole 12 and recess 13 is set for the size (G * G) of homogeneous.Consider size of engagement device etc., preferably size G be set at more than or equal to 8mm.
The edge portion of gypsum plank body paper 11 and the cross section 10a of gypsum core material 10 and clad 20 expose the inner face at through hole 12, and the eye impressions of through hole 12 are by the tone of gypsum core material 10 and gypsum plank body paper 11 or incide through hole 12 and near natural light or artificial light decides.Gypsum plank body paper 11 exposes on the bottom surface 16 of recess 13, and the side 17 of recess 13 is formed by the edge portion of clad 20.
Also the coating different with the incrustation application can be coated on the bottom surface 16 of recess 13.As the coating that is coated on the bottom surface 16, can select to have the coating of tone, brightness and the saturation ratio of identical eye impressions with through hole 12.And expose at indoor head of screw and preferably also coat coating with tone, brightness and the saturation ratio that can produce the eye impressions identical with the bottom surface 16 of recess 13 and side 17.The fixing screw (Fig. 5 (C)) that trickle relief pattern is coated to the head of screw end face in factory that preferably uses of perforate board building material 1.
More than have been described in detail with regard to preferred embodiment of the present invention, but the present invention is not limited to the foregoing description, can carry out various distortion or change in the scope of claims of the present invention.
For example as the size of size, through hole 12 and the recess 13 of the gypsum plank of the matrix material of perforate board building material 1,2 and arrangement etc., can be according to the aesthetic appearance of perforate board building material 1,2, divide and arrange that size, intensity, sound absorption qualities etc. carry out suitable design alteration.As such perforate board building material, the size of through hole 12 and recess 13 and arrange different perforate board building materials 1 shown in Figure 16～18.
And the matrix material of perforate board building material 1,2 is not limited to gypsum plank, also the plate of other materials of calcium silicate board, MDF etc. the matrix material as perforate board building material 1,2 can be used.
Perforate board building material of the present invention preferably uses as following purposes, promptly, the building interior decoration employed interior decoration decorative sheet formula building materials of constructing, especially adjust the big employed ceilings in space such as the certain layer of the space that is divided, room, room or building of room sounding characteristic or hall as needs, also be useful near the wallboard ceiling etc.Structure of the present invention also can be used for the abatvoix of furring material or viaduct or overhead railway etc.
Claims (19)
1. board building material, perforate that will be made of a plurality of recesses or the perforate that will be made of recess and be arranged on the plate surface by the perforate that through hole constitutes is characterized in that,
The matrix material of board building material is made of gypsum plank, the shape of each perforate is polygon or circle, described recess is formed on the plate surface by the partial compression of matrix material, and the bottom surface of the described recess that is formed by the gypsum plank body paper forms the face that can be screwed into or hammer into engagement device.
2. board building material as claimed in claim 1 is characterized in that, the color settings of the bottom surface of described recess is become the brightness lower relatively than the color on plate surface.
3. board building material, perforate that will be made of a plurality of recesses or the perforate that will be made of recess and be arranged on the plate surface by the perforate that through hole constitutes is characterized in that,
The shape of each perforate is polygon or circle, described recess is formed on the plate surface by the partial compression of matrix material, simultaneously, be arranged on the zone that should be screwed into or hammer into the board building material of engagement device, the bottom surface of described recess forms the face that can be screwed into or hammer into described engagement device, with the color settings one-tenth brightness lower relatively than the color on plate surface of described bottom surface.
4. board building material, perforate that will be made of a plurality of recesses or the perforate that will be made of recess and be arranged on the plate surface by the perforate that through hole constitutes is characterized in that,
The shape of each perforate is polygon or circle, described perforate is formed on the plate surface by the partial compression of matrix material, simultaneously, be arranged on regularly or equably on the plate surface, with the bottom surface color settings one-tenth brightness lower relatively of described recess than the color on plate surface.
5. as each described board building material in the claim 1 to 4, it is characterized in that, regulate the ratio of described recess and through hole, the sound absorption properties of setting board building material.
6. as each described board building material in the claim 1 to 4, it is characterized in that, at the back layer compressing tablet material of described through hole.
7. as each described board building material in the claim 1 to 4, it is characterized in that described bottom surface has can be with the telltale mark of described engagement device location.
8. board building material as claimed in claim 7 is characterized in that, described telltale mark is made of depression, aperture or the cross recess of the front end that can insert described engagement device.
9. board building material as claimed in claim 7 is characterized in that described telltale mark is arranged on the center of described bottom surface.
10. as claim 3 or 4 described board building materials, it is characterized in that the matrix material of board building material is made of gypsum plank, the bottom surface of described recess is formed by the gypsum plank body paper.
11. board building material as claimed in claim 10 is characterized in that, the color of described bottom surface is identical with the color of described gypsum plank body paper.
12. as each described board building material in the claim 1 to 4, it is characterized in that, the surperficial degree of depth that rises of the slave plate of described recess be set at the scope of 0.1～2.0mm.
13. the manufacture method of a board building material, be used to make the described board building material of claim 1 to 12, it is characterized in that, by pushing described plate surface partly with the smooth press surface of formpiston, form the described recess of prescribed depth on described plate surface, this recess has the bottom surface that can be screwed into or hammer into the plate engagement device.
14. the manufacture method of board building material as claimed in claim 13, it is characterized in that, use have the guide hole that can insert described formpiston and can with the guide plate of the bearing surface of described plate surface butt, under the state that makes the surperficial butt of described bearing surface and described plate, with the press surface of described formpiston by being pressed on the described plate surface.
15. the manufacture method as claim 13 or 14 described board building materials is characterized in that, the parts on this plate surface of nipping with using in fact consistent with the profile of described recess so that the mode transition of described plate surface easy deformation.
16. manufacture method as claim 13 or 14 described board building materials, it is characterized in that, in advance the surface color of the matrix material of described board building material is coloured to described bottom surface color, form the recess of prescribed depth, then, the surface colour with described matrix material becomes the color higher than the color relative brightness of described bottom surface.
17. the job practices of a board building material is used the described board building material of claim 1 to 12, it is characterized in that, uses first board building material and second board building material, ratio, the raising sound absorption properties of first board building material by regulating described recess and through hole; Ratio, the reduction sound absorption properties of second board building material by regulating recess and through hole set indoor sound-absorbing effect and reverberation effect by first and second board building materials are set.
18. the job practices of board building material as claimed in claim 17 is characterized in that, the size of described recess and through hole is just the same.
19. the manufacture method of board building material as claimed in claim 13 is characterized in that, described through hole is located on the described board building material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP132587/2004 | 2004-04-28 | ||
| JP2004132587 | 2004-04-28 | ||
| JP366580/2004 | 2004-12-17 |
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| CN100472016C true CN100472016C (en) | 2009-03-25 |
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| CNB2005800134378A Active CN100472016C (en) | 2004-04-28 | 2005-04-27 | Board building material, board building material producing method, board building material installation method |
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| WO2011134506A1 (en) * | 2010-04-28 | 2011-11-03 | Knauf Gips Kg | Building panel or building panel set, fastening system for a building panel, and method for fastening a building panel |
| WO2019188932A1 (en) * | 2018-03-30 | 2019-10-03 | 富士フイルム株式会社 | Mold for manufacturing transdermal absorption sheet, and device and method for manufacturing transdermal absorption sheet having needle-like protrusion |
| CN110804959B (en) * | 2019-11-26 | 2021-01-26 | 山西省交通规划勘察设计院有限公司 | Beam-arch cooperative stone arch bridge reinforcing and load shedding method |
| BR112022013661A2 (en) * | 2020-03-19 | 2022-09-27 | Yoshino Gypsum Co | CONNECTION STRUCTURE BETWEEN DIVISION WALL AND FLOOR, AND CONSTRUCTION METHOD |
| CN115284696B (en) * | 2022-08-11 | 2023-07-25 | 业成科技（成都）有限公司 | Composite optical film structure and method for manufacturing the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072999U (en) * | 1990-08-16 | 1991-03-13 | 北京新型建筑材料总厂常熟联营厂 | Embossed paper sound-absorbing plaster slab |
| CN2479093Y (en) * | 2001-01-09 | 2002-02-27 | 张辉 | Acoustic composite panen |
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2005
- 2005-04-27 CN CNB2005800134378A patent/CN100472016C/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072999U (en) * | 1990-08-16 | 1991-03-13 | 北京新型建筑材料总厂常熟联营厂 | Embossed paper sound-absorbing plaster slab |
| CN2479093Y (en) * | 2001-01-09 | 2002-02-27 | 张辉 | Acoustic composite panen |
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