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公开(公告)号：US4859507A
公开(公告)日：1989-08-22
申请号：US127399
申请日：1987-12-02
Applicant: Wayne A. Damrau
Inventor： Wayne A. Damrau
Abstract: A coater for applying liquid coating material onto a paper web carried across an upstream dip roll applicator that applies an excess layer of coating onto the surface of the web, is cahracterized by an improved downstream doctor assembly for metering and leveling the coating of the web. The doctor assembly includes a doctor blade having a top extended agianst and across the web, and a shear plate just upstream of the blade. The shear plate has a surface facing toward but spaced from the web and a ramp on the surface extending toward the web. As the coating layer on the web contacts the doctor blade, excess coating removed from the web by the blade bounces back off of the blade, flows across the shear plate surface and is deflected by the ramp against the web to rewet the excess coating layer on the web before it reaches the blade. The energy of the rewetting flow is sufficient to smooth and eliminate film split or streaking patterns that occur in excess coating applied with a dip roll applicator, so that there is a much more uniform coating on the resulting paper sheet.
Abstract translation: 用于将液体涂料施加到穿过上游浸渍辊施加器的纸幅上的涂布机，其通过改进的下游刮刀组件来对织物的涂层进行计量和调平来加强涂层到纸幅的表面上。 医生组件包括具有顶部延伸部分和跨过腹板的刮刀，以及刚好在叶片上游的剪切板。 剪切板具有面向腹板但与织物隔开的表面，并且表面上的斜面朝向腹板延伸。 当纸幅上的涂层与刮刀接触时，刀片从纸幅上除去的多余的涂层从叶片反弹回去，流过剪切板表面，并被斜面偏压在纸幅上，以便将多余的涂层再润湿 网络到达刀片之前。 再润湿流的能量足以平滑和消除用浸渍辊施加器施加的过量涂层中出现的膜分裂或条纹图案，使得在所得纸张上存在更均匀的涂层。
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公开(公告)号：US4834018A
公开(公告)日：1989-05-30
申请号：US165455
申请日：1988-03-01
Applicant: Hans-Peter Sollinger , Hans-Joachim Fissmann , Hans Weisz , Franz Krautzberger, deceased , Albert Woehrle, deceased
Inventor： Hans-Peter Sollinger , Hans-Joachim Fissmann , Hans Weisz , Franz Krautzberger, deceased , Albert Woehrle, deceased
CPC classification number: D21H23/40 , B05C11/04 , D21H5/0015
Abstract: A coating device where the pressurized coating space formed between the doctor element and the material web and/or the counter roll carrying it is defined by a regulating plate on the inlet side relative to the material web. A guide device is so arranged in the coating space that coating mixture will circulate around it on all sides in one direction of rotation. The guide device generally leaves only relatively narrow flow channels open in the coating chamber so that harmful turbulent flows are extensively avoided which through pulsating air inclusions might lead to defects in the applied coating.
Abstract translation: 一种涂覆装置，其中形成在刮板元件和材料腹板之间的加压涂层空间和/或携带它的反转辊由相对于材料腹板的入口侧的调节板限定。 引导装置布置在涂层空间中，涂层混合物将在一个旋转方向上的所有侧面周围循环。 引导装置通常仅在涂覆室中仅留下相对狭窄的流动通道，从而广泛避免有害的湍流，这通过脉动空气夹杂物可能导致施加的涂层中的缺陷。
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公开(公告)号：US4780336A
公开(公告)日：1988-10-25
申请号：US34990
申请日：1987-04-06
Applicant: Wayne A. Damrau
Inventor： Wayne A. Damrau
Abstract: An improved doctor blade, for use at a downstream end of a pressurized coating material application zone of a paper coater, has a tip portion of a limited length and first thickness and a major body portion of a second and increased thickness. The increased thickness of the major body portion enables the doctor blade to resist flexure caused by variations in pressure of the coating material in the zone, so that the blade tip more uniformly meters and levels coating on a paper web. Also contemplated is an arrangement for clamping the blade at the downstream end of the application zone, in a manner to minimize flexure of the blade in response to variations in pressure of the coating material in the zone.
Abstract translation: 用于在纸涂布机的加压涂料应用区域的下游端使用的改进的刮刀具有有限长度和第一厚度的尖端部分以及第二厚度增加的主体部分。 主体部分的增加的厚度使得刮刀能够抵抗由于区域中涂层材料的压力变化而引起的挠曲，使得刀片尖端更均匀地在纸幅上被涂覆。 还考虑了一种用于在施加区域的下游端处夹持叶片的装置，以使得响应于该区域中的涂层材料的压力变化来最小化叶片的挠曲的方式。
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144.发明授权Method and apparatus for recirculating coating liquid in a paper coating apparatus 失效在纸张涂布装置中再循环涂布液体的方法和装置
公开(公告)号：US4440809A
公开(公告)日：1984-04-03
申请号：US458472
申请日：1983-01-17
Applicant: William C. Vreeland
Inventor： William C. Vreeland
CPC classification number: D21H23/78 , B05C3/18 , D21H5/0062 , B05C11/04
Abstract: Apparatus for applying a coating liquid to a moving web of paper carried through an application zone is characterized by a system at each side end of the zone for recirculating coating liquid thereat. In use of such an applicator coating liquid at the side ends of the zone tends to stagnate, and the recirculating system eliminates coating buildup in the side ends.
Abstract translation: 用于将涂布液施加到运送通过施用区域的纸张的移动网的装置的特征在于用于在其上再循环涂布液体的区域的每个侧端处的系统。 在该区域的侧端使用这样的施加器涂布液趋向于停滞，并且再循环系统消除侧端的涂层积聚。
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公开(公告)号：US4440105A
公开(公告)日：1984-04-03
申请号：US458437
申请日：1983-01-17
Applicant: Paul A. Jeltema
Inventor： Paul A. Jeltema
CPC classification number: D21H23/36 , B05C3/18 , B05C5/0266 , B05C11/04
Abstract: An applicator for applying a coating liquid to a moving web of paper carried through an application zone, wherein the applicator has a chamber for receiving the coating liquid and an opening thereto for directing the liquid into an application zone and onto the web, the zone being established between a front wall of the chamber and a doctor blade extending from a rear side of the opening across and against the web, is characterized by a readily removable and replaceable orifice plate on the front wall, which extends toward and closely spaced from the web to define with the web a gap through which coating liquid in the zone flows to form a liquid seal. Because the orifice plate may readily be removed and replaced, orifice plates of different heights may be used with the applicator, so that simply by selecting a particular orifice plate for use, the gap in which the liquid seal is established may be made to have a predetermined size.
Abstract translation: 一种涂布器，用于将涂布液施加到通过施加区域运送的纸张的移动网上，其中所述施加器具有用于接收涂布液体的腔室和用于将液体引导到施加区域中并且到达所述幅材的开口，所述区域为 建立在室的前壁和从开口的后侧延伸并抵靠腹板的刮刀之后，其特征在于在前壁上容易拆卸和可更换的孔板，其朝向并与织物紧密隔开的方式延伸 以将该区域中的涂覆液体流过该间隙以形成液体密封。 由于可以容易地移除和更换孔板，因此可以与施加器一起使用不同高度的孔板，因此通过选择特定的孔板来使用，可以制造液体密封件的间隙，使其具有 预定尺寸。
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Patent Agency Ranking
公开(公告)号：US4288473A
公开(公告)日：1981-09-08
申请号：US32921
申请日：1979-04-24
Applicant: Hans I. Wallsten
Inventor： Hans I. Wallsten
CPC classification number: D21H23/42 , B05C11/04 , B05C3/125 , B05C9/04 , B05D1/18 , B05D1/42 , D21H5/002 , B05D2203/22
Abstract: A continuous process for applying a coating to both sides of a paper web in which the web is fed at a speed of at least 400 meters per minute through the nip formed between a rotating applicator roll and an elastically yielding blade. A coating composition is fed into the sumps formed on each side of the web at the nip at a rate such that the amount of coating material applied to the web, calculated as the total of both sides of the web, exceeds 14 grams per square meter. The viscosity of the coating composition is maintained at 400 to 2000 centipoises and the web is withdrawn from the nip so that it is bent away from the applicator roll over the edge of the blade at an angle of between 8.degree. and 12.degree. to the tangient to the roll at the nip, thus reducing or eliminating the formation of mist downstream of the nip.
Abstract translation: 一种将涂料施加到纸幅的两侧的连续方法，其中纸幅以每分钟至少400米的速度通过旋转的涂布辊和弹性屈服的刮刀之间形成的辊隙进给。 将涂料组合物以这样的速率送入在幅材的每一侧上形成的料槽中，使得施加到幅材上的涂层材料的量以纸幅两面的总和计算超过14克/平方米 。 涂料组合物的粘度保持在400至2000厘泊，并且幅材从辊隙中取出，使得其以相对于切向角8°至12°的角度从叶片的边缘向远离施胶辊弯曲 在辊隙处的辊，从而减少或消除在辊隙下游形成的雾。
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公开(公告)号：US4086377A
公开(公告)日：1978-04-25
申请号：US744011
申请日：1976-11-22
Applicant: Henry J. Barchi
Inventor： Henry J. Barchi
Abstract: A process for spreading foam material relatively free of undesirable air bubbles, blisters, and blotches, and substantially uniformly in thickness across the full width of continuously advancing sheet material comprising: supplying foam material having a predetermined density to a chamber for containing foam material: filling the chamber substantially completely with the foam material at the predetermined density: maintaining the predetermined density of the foam material in the chamber substantially constant from point of entry thereto to point of exit therefrom: delivering the foam material from the chamber and spreading it relatively free of undesirable air bubbles, blisters, and blotches, and substantially uniformly in thickness across the full width of continuously advancing sheet material; and regulating and controlling the amount and the thickness of the foam material being spread on the continuously advancing sheet material, the regulating and controlling taking place immediately following the delivering of the foam material. Coating apparatus for spreading the foam material is also included.
Abstract translation: 一种扩展泡沫材料的方法，其相对没有不期望的气泡，水泡和斑点，并且在连续进行的片材的整个宽度上基本上均匀地厚度，包括：将具有预定密度的泡沫材料供应到用于容纳泡沫材料的室：填充 所述室基本上完全与所述泡沫材料以预定的密度保持：将所述泡沫材料的所述泡沫材料的预定密度保持在从其进入点到其出口点的基本上恒定的位置：从所述室输送所述泡沫材料并将其相对不扩散 不希望的气泡，水疱和斑点，并且在连续前进的片材的整个宽度上基本上均匀地厚度; 并且调节和控制泡沫材料的数量和厚度在不断前进的片材上扩散，调节和控制紧随着泡沫材料的输送之后发生。 还包括用于铺展泡沫材料的涂布装置。
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公开(公告)号：US4063531A
公开(公告)日：1977-12-20
申请号：US654859
申请日：1976-02-03
Applicant: Clarence R. Zitzow
Inventor： Clarence R. Zitzow
CPC classification number: B05C9/04 , B05C11/04 , B05C5/0254 , B05C3/18
Abstract: A method and mechanism for applying a liquid coating to both sides of a traveling web including guiding the traveling web along a substantially vertical path through a coating station applying coating continuously across the width of the web hydraulically and in one form the web traveling vertically upward and the excess coating falling downwardly and being directed away from the web, applying a uniform smoothing and distributing pressure to the surface of the coating by pressing first and second opposed thin flexible smoothing blades having a smooth inner surface with sufficient pressure so that the blades bend at an arc and the arc is tangent to the surface of the web.
Abstract translation: 一种用于将液体涂层施加到行进网的两侧的方法和机构，包括沿着基本上垂直的路径引导所述移动幅材通过涂布站，其通过液压连续地跨过卷材的宽度施加涂层，并且以一种形式垂直地向上移动， 多余的涂层向下落下并远离纸幅，通过将具有光滑内表面的第一和第二相对的薄柔性平滑刀片按压足够的压力，使得刀片在 圆弧和弧线与网的表面相切。
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公开(公告)号：US3690297A
公开(公告)日：1972-09-12
申请号：US3690297D
申请日：1969-07-22
Applicant: BLANDIN PAPER CO
Inventor： DENTCH MILTON P , JODREY ROBERT M , GUASTELLA SAMUEL L , LARRIVEE JERRY J
CPC classification number: D21H23/36 , B05C3/18 , B05C5/001 , B05C5/0262 , B05C11/04 , D06B1/08 , D21H5/0017
Abstract: Apparatus for supplying molten coating through a narrow extruding gap in a distributor head to a pond confined between a supported web and a metering blade carried by the head downstream of the gap. The metering blade extends from the lower surface of the gap and supports the pond. A heat shield is mounted to the upper gap defining member and extends over the pond to prevent heat loss from the coating material.
Abstract translation: 用于将熔融涂层通过分配器头部中的窄挤出间隙供应到限定在由所述头部在所述间隙的下游承载的受支撑的幅材和计量刀片之间的池的装置。 计量刀片从间隙的下表面延伸并支撑池塘。 隔热罩安装在上部间隙限定件上，并在池塘上方延伸以防止涂层材料发生热损失。
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150.发明授权Method and device for coating or covering paper or sheet material with surface layers 失效用表面涂层或覆盖纸或材料的方法和装置
公开(公告)号：US3489592A
公开(公告)日：1970-01-13
申请号：US54538366
申请日：1966-04-26
Applicant: BILLINGSFORS LANGED AB
Inventor： FENGERSFORS HANS IVAR WALLSTEN
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