JP2013056712A - Levitator for sheet material - Google Patents

Levitator for sheet material Download PDF

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JP2013056712A
JP2013056712A JP2011194594A JP2011194594A JP2013056712A JP 2013056712 A JP2013056712 A JP 2013056712A JP 2011194594 A JP2011194594 A JP 2011194594A JP 2011194594 A JP2011194594 A JP 2011194594A JP 2013056712 A JP2013056712 A JP 2013056712A
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levitation
sheet material
chambers
adjacent
gas
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JP5441970B2 (en
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Masaru Nishimura
勝 西村
Naoki Shioya
直希 塩谷
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Techno Smart Corp
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Techno Smart Corp
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Abstract

PROBLEM TO BE SOLVED: To connect adjacent levitating chambers 2, 2 in such a state that they are deflected.SOLUTION: The plurality of levitating chambers 2, 2 in which nozzle groups N1, N2 consisting of a plurality of nozzle boxes are disposed to one side and to another side, respectively over a virtual plane P along a sheet travel route R. The virtual planes P, P of the adjacent levitating chambers 2, 2 cross to each other at a crossing angle θ permitting securing a levitating state of a sheet material between the adjacent levitating chambers 2, 2.

Description

本発明は、プラスチックフィルム又は紙等のシート材を無接触の浮揚（フローティング）状態で走行させつつ、シート材に擦り傷等のダメージを与えることなく乾燥や硬化等の処理を行う浮揚室の複数を連ねたシート材用浮揚装置の改良に関するものである。   The present invention provides a plurality of levitation chambers that perform processing such as drying and curing without causing damage such as scratches to the sheet material while traveling the sheet material such as plastic film or paper in a non-contact floating state (floating). The present invention relates to an improvement of a continuous sheet material levitation device.

従来、複数の浮揚室からなるシート材用浮揚装置は、シート走行路に沿う仮想平面を挟んで一方側及び他方側にノズル群を配置した浮揚室の複数について、隣接する浮揚室の仮想平面どうしを直線状に連ねることが常識である（特許文献１，２）。   Conventionally, a sheet material levitation device including a plurality of levitation chambers has a plurality of levitation chambers in which nozzle groups are arranged on one side and the other side across a virtual plane along a sheet traveling path, and between virtual planes of adjacent levitation chambers. It is common sense to link these in a straight line (Patent Documents 1 and 2).

特開平９−１５２２７４号公報JP-A-9-152274 特開平１０−３１９６１１号公報Japanese Patent Laid-Open No. 10-319611

ところで、シート材には、耳端カール防止等の観点から、隣接する浮揚室の間で屈折させて走行させたい要請のものもある。また、シート材用浮揚装置を設置する建物には、建物内部の構造等から、隣接する浮揚室を屈折させた状態で連ねたい要請のものもある。   Incidentally, some sheet materials are required to be refracted between adjacent floating chambers from the viewpoint of preventing edge curl. In addition, there is a demand for a building in which a sheet material levitation device is installed to connect adjacent levitation chambers in a refracted state due to the internal structure of the building.

しかし、従来のシート材用浮揚装置は、隣接する浮揚室の仮想平面どうしを直線状に連ねているため、上記要請に応えることができない。   However, the conventional sheet levitation device cannot meet the above requirement because the virtual planes of adjacent levitation chambers are connected in a straight line.

本発明は、上記要請に応えるために、隣接する浮揚室を屈折させた状態で連ねたシート材用浮揚装置の提供を目的とする。   In order to meet the above-described demand, an object of the present invention is to provide a sheet material levitating apparatus in which adjacent levitation chambers are refracted.

隣接する浮揚室を屈折させた状態で連ねるために請求項１記載の本発明が採用した手段は、図１乃至図４に示す如く、シート走行路Ｒに沿う仮想平面Ｐを挟んで一方側及び他方側の各々に複数のノズル箱３からなるノズル群Ｎ１，Ｎ２を配置した浮揚室２の複数を連ねたシート材用浮揚装置１において、隣接する浮揚室２，２の仮想平面Ｐ，Ｐどうしが、隣接する浮揚室２，２の間でのシート材Ｗの浮揚状態を確保できる交差角度θ（図２）で交差していることを特徴とするシート材用浮揚装置１である。   As shown in FIGS. 1 to 4, the means adopted by the present invention for connecting adjacent floating chambers in a refracted state is as shown in FIGS. 1 to 4, with one side across a virtual plane P along the seat travel path R, and In the sheet material levitating apparatus 1 in which a plurality of levitating chambers 2 in which nozzle groups N1 and N2 each including a plurality of nozzle boxes 3 are arranged on the other side are connected, virtual planes P and P of adjacent levitating chambers 2 and 2 are connected to each other. Is a sheet material levitating apparatus 1 characterized in that the sheet material W intersects at an intersecting angle θ (FIG. 2) that can ensure the floating state of the sheet material W between the adjacent levitation chambers 2 and 2.

隣接する浮揚室の間でシート材の安定した浮揚状態を確保するために請求項２記載の本発明が採用した手段は、隣接する浮揚室２，２における一方側の隣接するノズル群Ｎ１，Ｎ１の間、及び他方側の隣接するノズル群Ｎ２，Ｎ２の間の各々に、ガス供給装置の吸気路に連通するガス還流空間Ｄが形成されている請求項１記載のシート材用浮揚装置１である。   In order to ensure a stable floating state of the sheet material between the adjacent levitation chambers, the means adopted by the present invention according to claim 2 is that adjacent nozzle groups N1, N1 on one side in the adjacent levitation chambers 2, 2 are used. The sheet material levitation device 1 according to claim 1, wherein a gas recirculation space D communicating with an intake passage of the gas supply device is formed between each of the nozzle groups N2 and N2 on the other side. is there.

請求項１記載の本発明に係るシート材用浮揚装置は、隣接する浮揚室の仮想平面どうしを交差させることで、隣接する浮揚室の間でのシート材の浮揚状態を確保しつつ隣接する浮揚室を屈折させた状態で連ねることができる。   The levitation apparatus for sheet material according to the present invention described in claim 1 is configured to levitate adjacent to each other while ensuring the levitation state of the sheet material between adjacent levitation chambers by intersecting virtual planes of adjacent levitation chambers. The chambers can be connected in a refracted state.

請求項２記載の本発明に係るシート材用浮揚装置は、ノズル箱から吹出してシート材を浮揚させた後のガスが、隣接する浮揚室の間のガス還流空間へ至ると、ガス還流空間を通過してガス供給装置の吸気路に吸引されるので、隣接する浮揚室の間のガス還流空間にガスを淀ませることなく、隣接する浮揚室の間でシート材を安定よく浮揚させることができる。   In the sheet material levitation device according to the second aspect of the present invention, when the gas blown out of the nozzle box and levitates the sheet material reaches the gas reflux space between the adjacent levitation chambers, the gas reflux space is Since it passes through and is sucked into the intake passage of the gas supply device, it is possible to stably float the sheet material between the adjacent levitation chambers without causing the gas to flow into the gas reflux space between the adjacent levitation chambers. .

本発明に係るシート材用浮揚装置（以下、「本発明シート材用浮揚装置」と言う。）の第１の実施形態を示す断面した側面図である。1 is a cross-sectional side view showing a first embodiment of a sheet material levitating apparatus according to the present invention (hereinafter referred to as “the present invention sheet material levitating apparatus”). 第１の実施形態における隣接する浮揚室２，２の接続部を拡大して断面した側面図であって、図（Ａ）は隣接する仮想平面Ｐ，Ｐが交差する状態を示し、図（Ｂ）はシート材Ｗの浮揚状態を示す。It is the side view which expanded and connected the connection part of the adjacent floating chambers 2 and 2 in 1st Embodiment, Comprising: FIG. (A) shows the state which the adjacent virtual planes P and P cross | intersect, FIG. ) Shows the floating state of the sheet material W. 第１の実施形態における浮揚室２を示す断面した側面図である。It is the sectional side view which showed the floating chamber 2 in 1st Embodiment. 第１の実施形態における浮揚室２を示す断面した正面図である。It is the front view which carried out the cross section which shows the floating chamber 2 in 1st Embodiment. 第１の実施形態においてシート材Ｗを浮揚させている上下両側のノズル箱３，３を拡大して示す側面図である。It is a side view which expands and shows the nozzle boxes 3 and 3 of the upper and lower sides which float the sheet | seat material W in 1st Embodiment. 本発明シート材用浮揚装置の第２の実施形態を示す断面した側面図である。It is the side view which carried out the cross section which shows 2nd Embodiment of this invention sheet material levitation | floating apparatus.

本発明シート材用浮揚装置を図面に示す実施形態に基づいて説明する。なお、「前」「後」「左」「右」「上」及び「下」は、各図面に示す通りであり、左右方向をシート材Ｗの横断方向に沿うようにしてある。   The sheet material levitating apparatus of the present invention will be described based on an embodiment shown in the drawings. Note that “front”, “rear”, “left”, “right”, “upper”, and “lower” are as shown in each drawing, and the left-right direction is along the transverse direction of the sheet material W.

（第１の実施の形態）
図１乃至図５は第１の実施形態に係る本発明シート材用浮揚装置１を示すものであり、本発明シート材用浮揚装置１は、図１に示す如く、シート走行路Ｒ（波動曲線状となる）に沿う仮想平面Ｐを挟んで一方側（上側）及び他方側（下側）の各々に複数のノズル箱３からなるノズル群Ｎ１，Ｎ２を配置した浮揚室２の複数室を連ねたものである。仮想平面Ｐは、図５に示す如く、一方側（上側）のノズル群Ｎ１を構成する各ノズル箱３の平坦部（シート走行路Ｒに対面する部分）７ａと、他方側（下側）のノズル群Ｎ１を構成する各ノズル箱３の平坦部７ａとの中間に位置することになる。本発明シート材用浮揚装置１の改良点は、図２（Ａ）に示す如く、隣接する浮揚室２，２の仮想平面Ｐ，Ｐどうしを、シート材Ｗの浮揚状態を確保できる（同図（Ｂ）参照）交差角度θ（例えば、１〜１０度の範囲で選択される角度）で交差させたことである。 (First embodiment)
1 to 5 show a sheet material levitation apparatus 1 according to the first embodiment. The sheet material levitation apparatus 1 includes a sheet travel path R (wave curve) as shown in FIG. A plurality of levitation chambers 2 in which nozzle groups N1 and N2 composed of a plurality of nozzle boxes 3 are arranged on each of one side (upper side) and the other side (lower side) across a virtual plane P along the same shape) are connected. It is a thing. As shown in FIG. 5, the virtual plane P includes a flat portion (a portion facing the sheet travel path R) 7a of each nozzle box 3 constituting the nozzle group N1 on one side (upper side) and a lower side (lower side). It is located in the middle of the flat portion 7a of each nozzle box 3 constituting the nozzle group N1. As shown in FIG. 2 (A), the improvement of the sheet material levitation apparatus 1 of the present invention can secure the floating state of the sheet material W between the virtual planes P, P of the adjacent levitation chambers 2, 2. (See (B)) Crossing at an intersection angle θ (for example, an angle selected within a range of 1 to 10 degrees).

前記浮揚室２は、図３及び図４に示す如く、シート走行路Ｒが貫通する室内２ａを囲む上下左右四辺の仕切壁部４と、シート走行路Ｒ（仮想平面Ｐ）を挟んで上下両側に配置したノズル群Ｎ１，Ｎ２と、上側のノズル群Ｎ１の各ノズル箱３に連通する給気ダクト５と、下側のノズル群Ｎ２の各ノズル箱３に連通する給気ダクト６とを備えている。ノズル群Ｎ１，Ｎ２の各々は、左右方向へ延びる複数個のノズル箱３，３…を適宜寸法Ｓの間隔を開けて配置し、ノズル群Ｎ１の隣接するノズル箱３，３の間に、ノズル群Ｎ２のノズル箱３を対向させるようにしてある。給気ダクト５，６は、浮揚室２の室外に配置したガス供給装置（図示略）のガス供給路に分配ダクト９を介して連通され、ガス供給装置から供給されたガス（例えば、空気や窒素ガス等の気体）Ｇを各ノズル箱３へ供給するようにしてある。浮揚室２は、仕切壁部４に還流口１０が開設され、還流口１０に接続した還流ガス用ダクト１１を介してガス供給装置（図示略）のガス還流路と室内２ａを連通させ、各ノズル箱３から噴出したガスＧが室内２ａを通過してガス供給装置へ還流するようにしてある。ガス供給装置は、ガス供給路とガス還流路の間に循環ファンと熱交換器を備え、熱交換器を制御することで、各ノズル箱３から設定温度のガスを噴出させ、シート走行路Ｒを走行するシート材Ｗに処理（乾燥、加熱硬化又は冷却等の処理）を施すようになっている。   As shown in FIGS. 3 and 4, the levitation chamber 2 has upper and lower left and right partition walls 4 surrounding the room 2a through which the seat travel path R passes, and both upper and lower sides across the seat travel path R (virtual plane P). The nozzle groups N1 and N2 arranged on the upper side, the air supply duct 5 communicating with each nozzle box 3 of the upper nozzle group N1, and the air supply duct 6 communicating with each nozzle box 3 of the lower nozzle group N2. ing. In each of the nozzle groups N1, N2, a plurality of nozzle boxes 3, 3... Extending in the left-right direction are arranged with an interval of an appropriate size S, and the nozzle groups N1, N2 are arranged between the nozzle boxes 3, 3 adjacent to the nozzle group N1. The nozzle boxes 3 of the group N2 are made to face each other. The air supply ducts 5 and 6 communicate with a gas supply path of a gas supply device (not shown) arranged outside the levitation chamber 2 via a distribution duct 9, and gas supplied from the gas supply device (for example, air or A gas such as nitrogen gas) G is supplied to each nozzle box 3. The levitation chamber 2 has a reflux port 10 formed in the partition wall 4, and communicates a gas reflux path of a gas supply device (not shown) and the room 2 a through a reflux gas duct 11 connected to the reflux port 10. The gas G ejected from the nozzle box 3 passes through the chamber 2a and returns to the gas supply device. The gas supply device includes a circulation fan and a heat exchanger between the gas supply path and the gas recirculation path. By controlling the heat exchanger, the gas at the set temperature is ejected from each nozzle box 3 and the seat travel path R The sheet material W that travels on the vehicle is processed (drying, heat curing, cooling, or the like).

前記ノズル箱３は、図５に示す如く、左右に長いガス案内板７と、ガス案内板７の前後外縁に開設された左右方向に長い前後一対のガス噴出スリツト８，８とを有している。該ガス案内板７は、静圧保持部となる平坦部７ａと、平坦部７ａの前後縁部で彎曲した前後一対のコアンダ部７ｃ，７ｃと、コアンダ部７ｃ，７ｃから延設した前後一対の裾部７ｂ，７ｂとが形成されている。前記ガス噴出スリツト８，８は、裾部７ｂ，７ｂの外表面をガスＧの案内面とするように開設されている。該ガス噴出スリツト８，８から噴出したガスＧは、裾部７ｂ，７ｂで案内されてコアンダ部７ｃ，７ｃに達し、コアンダ部７ｃ，７ｃでコアンダ効果により平坦部７ａへ方向転換し、平坦部７ａにプラス静圧を発生させつつ平坦部７ａから離反してシート材Ｗへ吹き付けられる。シート材Ｗは、各ノズル箱３の平坦部７ａとの間に発生したプラス静圧のクッション的な保持作用により波動曲線を描くように保持されて浮揚する。   As shown in FIG. 5, the nozzle box 3 includes a gas guide plate 7 that is long on the left and right, and a pair of front and rear gas ejection slits 8, 8 that are provided at the front and rear outer edges of the gas guide plate 7. Yes. The gas guide plate 7 includes a flat portion 7a serving as a static pressure holding portion, a pair of front and rear Coanda portions 7c and 7c bent at the front and rear edge portions of the flat portion 7a, and a pair of front and rear portions extending from the Coanda portions 7c and 7c. Bottom portions 7b and 7b are formed. The gas ejection slits 8, 8 are opened so that the outer surfaces of the bottom portions 7b, 7b serve as gas G guide surfaces. The gas G ejected from the gas ejection slits 8 and 8 is guided by the skirt portions 7b and 7b to reach the Coanda portions 7c and 7c, and is changed in direction to the flat portion 7a by the Coanda effect by the Coanda portions 7c and 7c. The sheet 7 is blown away from the flat portion 7a while generating a positive static pressure on the sheet 7a. The sheet material W is held and floated so as to draw a wave curve by a cushioning holding action of positive static pressure generated between the flat portions 7a of the nozzle boxes 3.

前記ガス供給装置（図示略）は、ガスを吸引・圧送する送風機と、ガスを設定温度まで加熱する加熱装置と、還流したガスの一部を排出して、浮揚室２へ供給するガス中の蒸発ガス（乾燥等で生じた蒸気）濃度を一定にする排気装置とを備えている。本例におけるガス供給装置は、一組の浮揚室２毎に設けられ、ノズル箱３，３…から噴出するガスの風速や温度の条件を各浮揚室２毎に設定できるようにしてある。なお、一組の浮揚室２のノズル群Ｎ１，Ｎ２のガス条件を異にするように、ノズル群Ｎ１に連通するガス供給装置とノズル群Ｎ２に連通するガス供給装置とを個別に備えることもある。   The gas supply device (not shown) includes a blower that sucks and pumps the gas, a heating device that heats the gas to a set temperature, and a part of the refluxed gas that is discharged to the floating chamber 2. And an exhaust device that keeps the concentration of the evaporating gas (vapor generated by drying or the like) constant. The gas supply device in this example is provided for each pair of levitation chambers 2 so that the conditions of the wind speed and temperature of the gas ejected from the nozzle boxes 3, 3... Can be set for each levitation chamber 2. The gas supply device communicating with the nozzle group N1 and the gas supply device communicating with the nozzle group N2 may be individually provided so that the gas conditions of the nozzle groups N1 and N2 of the pair of levitation chambers 2 are different. is there.

前記隣接する浮揚室２，２は、図２に示す如く、各浮揚室２の四辺の仕切壁部４の前後側端部にフランジ部１２を備え、隣接するフランジ部１２，１２どうしを気密性の有る蛇腹等からなる可撓性で筒状の気密性のある接合部１４で接合し、室内２ａ内のガスを室外へ漏洩させないようにしてある。隣接する浮揚室２，２の接合箇所の構造は、図２に示すように、前側の浮揚室２の後端側に位置する上方のノズル箱３と、後側の浮揚室２の前端側に位置する下方のノズル箱３とを対向させるか、または図示は省略したが、前側の浮揚室２の後端側に位置する下方のノズル箱３と、後側の浮揚室２の前端側に位置する上方のノズル箱３とを対向させるようにし、隣接する浮揚室２，２の全体にわたって、上下のノズル箱３を交互に千鳥配置するようにしてある。隣接する浮揚室２，２の接合部１４で接合された内側は、前記ガス供給装置（図示略）の吸気路に連通するガス還流空間Ｄとなっており、図２（Ｂ）に示す如く、ノズル箱３から吹出してシート材Ｗを浮揚させた後のガスＧがガス還流空間Ｄへ至ると、ガス還流空間Ｄを通過してガス供給装置（図示略）の吸気路に吸引されるので、隣接する浮揚室２，２の間のガス還流空間ＢにガスＧを淀ませることなく、隣接する浮揚室２，２の間でシート材Ｗを安定よく浮揚させることができる構造となっている。   As shown in FIG. 2, the adjacent levitation chambers 2 and 2 are provided with flange portions 12 at front and rear end portions of the partition walls 4 on the four sides of each levitation chamber 2, and the adjacent flange portions 12 and 12 are hermetically sealed. It joins with the flexible and cylindrical airtight joint part 14 which consists of a bellows etc. which has, and it is trying not to leak the gas in the room 2a outside the room. As shown in FIG. 2, the structure of the joint portion between the adjacent levitation chambers 2 and 2 is formed on the upper nozzle box 3 located on the rear end side of the front levitation chamber 2 and the front end side of the rear levitation chamber 2. The lower nozzle box 3 is opposed to the lower nozzle box 3 or the illustration is omitted, but the lower nozzle box 3 located on the rear end side of the front floating chamber 2 and the front end side of the rear floating chamber 2 are positioned. The upper and lower nozzle boxes 3 are opposed to each other, and the upper and lower nozzle boxes 3 are alternately arranged in a staggered manner over the entire floating chambers 2 and 2 adjacent to each other. The inside joined at the joining portion 14 of the adjacent levitation chambers 2 and 2 is a gas recirculation space D communicating with the intake passage of the gas supply device (not shown), as shown in FIG. When the gas G blown from the nozzle box 3 and floats the sheet material W reaches the gas recirculation space D, it passes through the gas recirculation space D and is sucked into the intake passage of the gas supply device (not shown). The structure is such that the sheet material W can be stably floated between the adjacent levitation chambers 2 and 2 without causing the gas G to enter the gas reflux space B between the adjacent levitation chambers 2 and 2.

前記各浮揚室２は、図１に示す如く、枠組された架台１６の上に高さ調節可能な脚部１５を介して支持され、仮想平面Ｐと水平面の交差角度を脚部１５で調整して、図２（Ａ）に示す隣接する浮揚室２，２の仮想平面Ｐ，Ｐどうしの交差角度θを１〜１０度の範囲で選択した所望角度値に変更できるようになっている。   As shown in FIG. 1, each of the levitation chambers 2 is supported on a frame base 16 via a leg portion 15 that can be adjusted in height, and the leg portion 15 adjusts the intersection angle between the virtual plane P and the horizontal plane. Thus, the intersection angle θ between the virtual planes P, P of the adjacent levitation chambers 2, 2 shown in FIG. 2A can be changed to a desired angle value selected in the range of 1 to 10 degrees.

本発明シート材用浮揚装置１は、隣接する浮揚室２，２の仮想平面Ｐ，Ｐどうしを交差させることで、隣接する浮揚室２，２を屈折させた状態で連ねることができ、シート材Ｗの耳端カール防止、又は建物の内部の構造に浮揚室２，２…の配置を対応させることができる。   The sheet material levitation apparatus 1 can connect the adjacent levitation chambers 2, 2 in a refracted state by crossing the virtual planes P, P of the adjacent levitation chambers 2, 2. The arrangement of the floating chambers 2, 2,... Can be made to correspond to the prevention of W edge curl or the internal structure of the building.

（第２の実施の形態）
図６に示す実施の形態に係る本発明構造２１は、浮揚室２，２の配置を前側から後側へ向かって下り傾斜させた点が、上り傾斜させた前記第１の実施の形態と大きく異なり、その他の部分については第１の実施の形態と実質的に同一であり、図６において図１乃至図５と同一符号は相当部分を示す。 (Second Embodiment)
The structure 21 of the present invention according to the embodiment shown in FIG. 6 is largely different from the first embodiment in which the arrangement of the levitation chambers 2 and 2 is inclined downward from the front side to the rear side. Differently, the other parts are substantially the same as those of the first embodiment, and in FIG. 6, the same reference numerals as those in FIGS.

１（２１）…本発明シート材用浮揚装置、２…浮揚室、２ａ…室内、３…ノズル箱、４…仕切壁部、５…給気ダクト（上側）、６…給気ダクト（下側）、７…ガス案内板、７ａ…静圧保持部、７ｂ…裾部、７ｃ…コアンダ部、８…ガス噴出スリット、９…分配ダクト、１０…還流口、１１…還流ガス用ダクト、１２…フランジ部、１４…接合部、１５…脚部、１６…架台、Ｄ…ガス還流空間、Ｇ…ガス、Ｎ１，Ｎ２…ノズル群、Ｐ…仮想平面、Ｒ…シー走行路、Ｗ…シート状基材、θ…交差角度 DESCRIPTION OF SYMBOLS 1 (21) ... Floating device for sheet material of this invention, 2 ... Levitation chamber, 2a ... Indoor, 3 ... Nozzle box, 4 ... Partition wall part, 5 ... Air supply duct (upper side), 6 ... Air supply duct (lower side) ), 7 ... Gas guide plate, 7a ... Static pressure holding part, 7b ... Bottom part, 7c ... Coanda part, 8 ... Gas ejection slit, 9 ... Distribution duct, 10 ... Recirculation port, 11 ... Duct for recirculation gas, 12 ... Flange part, 14 ... joining part, 15 ... leg part, 16 ... stand, D ... gas reflux space, G ... gas, N1, N2 ... nozzle group, P ... virtual plane, R ... sea running path, W ... sheet-like base Material, θ ... intersection angle

Claims (2)

シート走行路に沿う仮想平面を挟んで一方側及び他方側の各々に複数のノズル箱からなるノズル群を配置した浮揚室の複数を連ねたシート材用浮揚装置において、隣接する浮揚室の仮想平面どうしが、隣接する浮揚室の間でのシート材の浮揚状態を確保できる交差角度で交差していることを特徴とするシート材用浮揚装置。   An imaginary plane of an adjacent levitation chamber in a levitation apparatus for a sheet material in which a plurality of levitation chambers each having a group of nozzles arranged on one side and the other side of the imaginary plane along a sheet traveling path are arranged. A sheet material levitating apparatus, wherein the sheet material intersects at an intersecting angle that can ensure a floating state of the sheet material between adjacent levitation chambers. 隣接する浮揚室における一方側の隣接するノズル群の間、及び他方側の隣接するノズル群の間の各々に、ガス供給装置の吸気路に連通するガス還流空間が形成されている請求項１記載のシート材用浮揚装置。   2. A gas recirculation space communicating with an intake passage of a gas supply device is formed between adjacent nozzle groups on one side and adjacent nozzle groups on the other side in adjacent levitation chambers. Sheet material levitation device.
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Publication number Priority date Publication date Assignee Title
CN116086165A (en) * 2023-02-10 2023-05-09 无锡爱德旺斯科技有限公司 Heating air supply mechanism

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JPS57190669A (en) * 1981-05-19 1982-11-24 Daido Steel Co Ltd Continuous furnace
JPS57201562A (en) * 1981-06-01 1982-12-10 Daido Steel Co Ltd Continuous paint baking device
JP2001335205A (en) * 2000-05-24 2001-12-04 Mitsubishi Heavy Ind Ltd Double-faced floater-type dryer, double-faced floater- type cooler, and double-faced floater-type humidifier
WO2007066524A1 (en) * 2005-12-06 2007-06-14 Konica Minolta Opto, Inc. Production process, transfer apparatus, functional film having hardcoat layer, and functional film having antireflection layer

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Publication number Priority date Publication date Assignee Title
JPS57190669A (en) * 1981-05-19 1982-11-24 Daido Steel Co Ltd Continuous furnace
JPS57201562A (en) * 1981-06-01 1982-12-10 Daido Steel Co Ltd Continuous paint baking device
JP2001335205A (en) * 2000-05-24 2001-12-04 Mitsubishi Heavy Ind Ltd Double-faced floater-type dryer, double-faced floater- type cooler, and double-faced floater-type humidifier
WO2007066524A1 (en) * 2005-12-06 2007-06-14 Konica Minolta Opto, Inc. Production process, transfer apparatus, functional film having hardcoat layer, and functional film having antireflection layer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116086165A (en) * 2023-02-10 2023-05-09 无锡爱德旺斯科技有限公司 Heating air supply mechanism

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