201221424 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種對膜進行熱封而形成為袋狀，並且在將 内容物填充至袋内時可合適地使用的熱封方法及使用其之 製袋填充方法。 【先前技術】 在速食食品等當中，有時會隨附將醬油或醬料等調味料密 封填充於由膜所形成之袋内。於此一填充有内容物之袋子的 製造中，通常使用一邊將膜形成為袋狀，一邊將内容物填充 至袋内之縱枕式製袋填充裝置。作為製袋填充裝置，可使用 於圖4、圖5(a)及圖5(b)所概略性地表示其重要部位者。 製袋填充裝置30，係具備：縱熱封裝置10，其對於沿寬 度方向對折之膜1之側緣部2彼此於縱向進行熱封，而形成 筒狀臈3 ;橫熱封裝置20,其對所得之筒狀臈3沿橫向進行 熱封，及喷嘴31，其以使噴出口 32位於兩個熱封裝置1〇、 20之間的方式插入筒狀膜3内。 縱熱封裝置1〇,係具備一對熱封輥15。熱封輥15係具備. 李昆本體12，其係以旋轉車由11為中心而可進行旋轉；及凸狀 之熱封構件14’其係突出地設置於此輥本體12之外周面13 上，且沿著輥本體12之圓周方向所形成。凸緣狀之位置限 制構件17係自輥本體12之外周面13，突出地設置於輥本 體12之長度方向之端部。因位置限制構件17之外周面18 100122386 201221424 彼此接觸❿限制熱封輕15彼此之間隔。 於熱封親15之内部被設置有加熱器等加熱手段。於兩個 熱封親15之間所傳送之膜1的側緣部2，係於熱封構件I4 之外周面16之間受到加熱加壓，而形成縱熱封部4。 橫熱封裝置2〇，係具備一對熱封輥25、25。熱封輥25 係具備·較1本體22，其係以旋轉軸21為中心而可進行旋轉； 凸狀之熱封構件24，其係突出地設置於此輥本體22之外周 面23上’且沿著旋轉軸21之方向而設置。凸緣狀之位置限 制構件27係自幸昆本體22之外周面23，突出地設置於輥本 體22之長度方向之端部。因位置限制構件27之外周面28 彼此接觸，而限制熱封輥25彼此之間隔。 於熱封觀25之内部被設置有加熱器等加熱機構。於兩個 熱封輕25之間所傳送之筒狀膜3，係於熱封構件24之外周 面26之間受到加熱加壓，而形成橫熱封部6。橫熱封部6， 二；中]刀斷而成為袋5之端緣。熱封構件24，係沿著輥 本體2之圓周方向形成複數個等間隔。筒狀膜3 ’係藉由 .、、、封構件24’沿其長度方向以隔著固定之間隔而被橫熱對。 喷嘴31將内各物填充至筒狀膜3内，形成橫熱封部6， 而可獲得由在筒狀膜3之内部收納内容物之收納空間7所形 成之多數個袋5連續所而成之連續體。藉由將此連續體之橫 熱封》Μ切斷為兩部分，可獲得每—袋分離、或由特定之複 數個袋子職結之包裝品。 100122386 4 201221424 雜物殘留於包裝用2，於專利文獻1令，係記载即使於央 賦予熱封部之寬庐m 了實現優異之橫熱封’以使 袋内收納内容物二二部分的熱量，少於職予接近於 封構件之：成：空空間的兩側緣部的熱量之方式，使熱 熱封輥’係記载於熱封構賴於臈時，使 良之產生同時使熱封構件之旋轉變慢以抑制不 美阿生產性之熱封方法。 [先前技術文獻] [專利文獻] r直*丨文獻1]日本專利特開2000_247310號公報 【= 容獻】2]日本專利特公平—公報 (發明所欲解決之問題） 被熱I:構::二若過度加熱橫熱封部’則有經炼融之樹脂會 積存之情形。圖6(a)係:示:二:之,1、:之間’產生樹脂 放大剖面圖，而圖w _爷之檢熱封部6之一例之局部 之:態之1的局部放熱封部6發生樹脂積存8 ^ 6 « ^ i 1 開，而使袋子之落下強度或耐衝軸之變Γ。產生㈣縫9裂 22386 100122386 201221424 又， 以雜：時θ因填充於臈1、1之間的内容物成為橫熱封部 於細触巾水分蒸發*使體積賴 生氣泡，吨不到充分之熱姆度的情形。 良為=卩之樹脂積存或失雜物等所導致之熱封不 分更強地t r寬度方向兩端緣附近，以較中間部 仃.、、、封之加熱加壓方法。 為了利用橫熱封輥確實地密封特定之部位，重要的 定之溫度域Μ之時間。因此，若為了提高製袋填充作= 生產^過度提局筒狀臈之傳送速度，麟熱封輥之旋輕 速度亦提高，而使橫熱_之域相變得不充分= 在所得f子之輯強度降低H 會存 又k熱封因為於將内容物填充至筒狀膜後進行， 於在未填充㈣物之狀態下所進行之縱熱封相比2 封，相較於縱熱則必須更加小心。 易熱 二穩定地進行橫熱封’較佳為熱封—速度 於專利文獻1所記載之熱封裝置中，藉由沿著 周方向賦予熱封構件之熱導率不均勻之分布，使寬度=圓 兩端緣附近之熱封溫度高於中間部分。藉此，則容易抑2 樹脂積存或祕物等所導致之熱封不良。 然而’於專利文獻1所記載之熱討裝置中，因熱封構件中 之熱導率良好之部分的寬度會變狹f，故有存在難以控制熱 100122386 201221424 封構件之溫度之問題。 因此’即使將兩端緣附近之熱封溫度設定為最適合之溫 度’亦有於中間部分加鮮充分之可能性 。相反地，若適當 地5周整中間部分之加熱，則兩端緣之熱封溫度將過高，反而 易於產生樹脂積存。 於專利文獻1所記載之熱封裝置中，為了提高生產率，若 使筒爿大膜之傳送速度變快，則熱封構件接觸於筒狀膜之時間 灰短’使熱無法充分傳至筒狀膜’而有發生熱封不良之虞。 又’因橫熱封之寬度方向的熱量施加之樣式係因熱封構件 而决疋’故亦存在有無法靈活地對應膜之材質或厚度的變化 之問題。 而且’因熱封構件之構造變得複雜，故有裝置之成本增 大、或者熱封構件之耐久性產生問題之虞。 另方面’就專利文獻2所記載之熱封裝置而言，即使於 m膜之傳送速度之情況下，亦不需要提高橫熱封輥之 $疋轉速度°因此’可確保充分之熱封時間，且因為可確實地 熱封，故可期待較高之生產性。 就專利文獻2所記載之熱封裝置而言，藉由對凸輪之 形狀進行溝究，則因為以寬度方向兩端緣之熱封強度變高之 方式而使得對橫熱封輥之旋轉速度的控制亦變得容易，故可 合易抑制因樹脂積存或祕物所導致之熱封不良。 然而，於專利文獻2所記载之熱封裝i中，藉由利用凸輪 100122386 7 201221424 之熱封輥之移動而控制熱封輥之旋轉速度。然而，熱封輥卵 重，使得在反轉移動方向時之慣性力很大。因此，若凸鈐之 旋轉變快則致動槌之前端將密接於凸輪之周面而無法$ 動。因此，使熱封輥之移動變得不順利，並產生振動。又 因鏈條鬆弛，或者繃緊，故鏈條會搖晃或產生振動。而且， 有時由於此等振動，而無法進行良好之橫密封。 本發明係鑒於上述背景而完成者，其課題為提供一種生產 性高、且可抑制因樹脂積存或夾雜物等所導致之熱封不良及 /或可於穩定之熱封條件下進行的熱封方法及使用此之製代 填充方法。 衣 (解決問題之手段） 本發明之發明者，針對使一對熱封輥以高速進行上下移 動，且抑制振動之技術進行研究，結果獲得在上下移動時最 佳為使用曲軸之見解，並根據該見解而完成本發明者。 即’本發明係提供以下之熱封方法。 (1)一種熱封方法，其係一邊使可上下移動之一對熱封輥 將筒狀膜夾持於設置在其外周面之熱封構件之間而下降，— 邊對以固疋速度下降之请狀膜沿著橫向進行熱封；其特徵在 於，正確地控制使熱封構件外周面之圓周速度與熱封輥之下 降速度之和成為筒狀膜之下降速度，使用曲軸與連結棒使熱 封輥與其旋轉驅動源一起直線移動，且使與包含上述驅動源 之一對熱封輥在實質上相同重量之砝碼，在與熱封輥之移動 100122386 8 201221424 同步化而朝完全相反之方向移動，同時於筒狀料持於熱圭 構件之外周面間的期間内，相較於中期，其初期及末期之執 封輥之旋轉速度變慢，且熱封輥之移動速度變快。 … (2)—種熱封方法，其係一邊使可上下移動之—對熱封輥 將筒狀膜失持於設置在其外周面之熱封構件之間而下降，二 邊對以固疋速度下降之趙狀膜沿橫向進行熱封；其特徵在 於’正確地控制使熱封構件之外周面之圓周速度與熱封輥之 下降速度之和成為筒狀膜之下降速度，使用曲轴與連結棒來 使熱封輥與其旋轉驅動源一起直線移動，且使與包含上述驅 動源之一對熱封輥在實質上相同重量砝碼，在與熱封輥之移 動同步化而朝完全相反之方向移動，同時於筒狀膜夾持於熱 封構件之外周面間的期間内，至少於中期使熱封輥之旋轉速 度固定，且使熱封輥之移動速度固定。 又，本發明係提供以下之製袋填充方法。 (3)—種製袋填充方法，其係對以固定速度下降之對折之1 張膜或重疊之2張膜之側緣部熱封而形成筒狀膜，且一邊將 • 内容物填充至筒狀膜中一邊沿橫向進行熱封而製造袋内填 ‘ 充有内谷物之包裝體；其特徵在於，沿橫向進行熱封之步驟 係根據(1)或(2)之熱财法所進行。 (發明效果） 根據（1)之熱封方法，藉由曲軸與連結棒可使熱封輥之上 下移動冋速化。又，藉由使破碼與熱射輥之移動同步化而朝 職22386 201221424 完全相反之方向移動，可抑偏熱封輥之上下移動所導致之 振動。又由使熱封之初期及末期之熱_之旋轉速度變 慢’可以於均勻地保持熱封構件之溫度分布之狀態下，使寬 度方向兩端緣之熱㈣度變大之方式進行熱封。 藉此，可抑制樹脂積存或產生氣泡等熱封不良，而可獲得 熱封良好’且料下強度或耐衝擊性優異之包裝品。又，因 可使熱封構件之溫度不㈣小或成為幾乎沒有之狀態，故熱 封構件之溫度之控制亦變容易，並可於敎之條件下進行熱 封。又’即使於存在夾雜物之情形，因可對寬度方向兩端緣 之熱封施以最佳之溫度且施加充分之_，故可獲得高熱封 強度。又，即使於提高筒狀膜之傳送速度之情形，因為其亦 不需要提高橫熱封輥之_速度，故可確保充分之熱封時 間，而提问生產性。又，藉由正確地控制熱封構件外周面之 圓周速度與熱封輥之下降速度，可實現於錄膜不會產生糟 皺’且可傳送穩定之膜’而可獲得熱封部外觀美麗之包裝品。 而且’因熱封構件之構造不複雜，故對熱封構件之耐久性 亦無產生問題之虞。 根據(2)之熱封方法，藉由曲軸與連結棒可使熱封輥之上 下移動咼速化。又，藉由使砝碼與熱封輥之移動同步化而朝 完全相反之方向移動，則可抑制因熱封輥之上下移動所導致 之振動。又，藉由至少於中期使熱封輥之旋轉速度固定，則 可於穩定之條件下進行熱封。 100122386 201221424 藉此，可獲得熱封良好，且對落下強度或耐衝擊性優異之 包裝品。因其可使熱封構件之溫度不均勻變小或變成幾乎沒 有之狀態，故熱封構件溫度之控制亦容易’而可於較穩定之 條件下進行熱封。又，即使於提高筒狀膜之傳送速度之情 形，因為亦不需要提高橫熱封輥之旋轉速度，故可確保充分 之熱封時間’且提高生產性，熱封構件之構造不複雜，故 亦無熱封構件之敎性產生問題之虞。又，藉由正確地控制 熱封構件外周面之圓周速度與熱封輥之下降速度，則可實現 不會使筒狀膜產生褶皺，且可傳送狀之膜，而獲得熱封部 外觀美麗之包裝品。 而且’因熱封構件之構造不複雜’故無熱封構件之财久性 產生問題之虞。 【實施方式】 以下根據實施形態，參考圖式說明本發明。 於圖1〜圖3中，使用與圖4〜圖6中相同符號之元件符 號’係表示與圖4〜圖6所示之構成相同或同等者，有時會 省略其重複之說明。 再者本舍明之製袋填充方法所使用之製袋填充裝置中， 其填充噴嘴或縱熱騎置，例如，軸可使用圖4、圖5所 圖示之裝置或與此同等之裝置，但並未特別受限。 本發明之製袋填充方法，因為於橫熱封方法中具有特徵， 故以下針對此橫熱封方法之形態例進行詳細之說明。 100122386 11 201221424201221424 VI. [Technical Field] The present invention relates to a heat sealing method which can be suitably used when a film is heat-sealed and formed into a bag shape, and when the content is filled into a bag, and the same The method of filling the bag. [Prior Art] In fast foods and the like, seasonings such as soy sauce or sauces are sometimes sealed and filled in a bag formed of a film. In the production of a bag filled with a content, a vertical pillow type bag filling device in which a content is formed into a bag shape and filled with contents into a bag is usually used. As the bag filling device, those important portions can be roughly shown in Fig. 4, Fig. 5(a) and Fig. 5(b). The bag filling device 30 includes a longitudinal heat sealing device 10 that heat seals the side edge portions 2 of the film 1 folded in the width direction in the longitudinal direction to form a cylindrical crucible 3; a transverse heat sealing device 20 The obtained cylindrical crucible 3 is heat-sealed in the lateral direction, and a nozzle 31 is inserted into the tubular membrane 3 such that the discharge port 32 is positioned between the two heat-sealing devices 1A and 20. The longitudinal heat sealing device 1A is provided with a pair of heat sealing rolls 15. The heat sealing roller 15 is provided with a Li Kun body 12 which is rotatable about a rotary car 11 as a center, and a convex heat sealing member 14' which is protrudedly provided on the outer peripheral surface 13 of the roller body 12. And formed along the circumferential direction of the roller body 12. The flange-shaped position restricting member 17 is provided from the outer peripheral surface 13 of the roller body 12 so as to protrude from the end portion of the roller body 12 in the longitudinal direction. Due to the contact of the outer peripheral surface 18 100122386 201221424 of the position restricting member 17, the heat seal light 15 is spaced apart from each other. A heating means such as a heater is provided inside the heat sealer 15 . The side edge portion 2 of the film 1 conveyed between the two heat seal members 15 is heated and pressurized between the outer peripheral faces 16 of the heat seal member I4 to form the longitudinal heat seal portion 4. The horizontal heat sealing device 2 is provided with a pair of heat sealing rolls 25 and 25. The heat sealing roller 25 is provided with a main body 22 that is rotatable about the rotation shaft 21, and a convex heat sealing member 24 that is projectingly provided on the outer peripheral surface 23 of the roller body 22' It is arranged along the direction of the rotation axis 21. The flange-shaped position restricting member 27 is projecting from the outer peripheral surface 23 of the submerged body 22 to the end portion of the roller body 22 in the longitudinal direction. Since the outer peripheral faces 28 of the position restricting members 27 are in contact with each other, the heat seal rollers 25 are restricted from each other. A heating mechanism such as a heater is provided inside the heat seal view 25. The tubular film 3 conveyed between the two heat seals 25 is heated and pressurized between the outer peripheral faces 26 of the heat seal member 24 to form the transverse heat seal portion 6. The horizontal heat seal portion 6, 2; middle] is cut into the edge of the bag 5. The heat sealing member 24 is formed at a plurality of equal intervals along the circumferential direction of the roller body 2. The tubular film 3' is horizontally heated by the sealing member 24' in the longitudinal direction thereof at a fixed interval. The nozzle 31 fills the inside of the tubular film 3 to form the horizontal heat seal portion 6, and a plurality of bags 5 formed by the storage space 7 for accommodating the contents inside the tubular film 3 are continuously formed. a continuum. By cutting the transverse heat seal of the continuum into two parts, it is possible to obtain a package which is separated by each bag or by a specific plurality of bags. 100122386 4 201221424 The debris remains in the package 2, and the patent document 1 describes that the width of the heat-sealed portion is provided in the center to achieve an excellent horizontal heat seal to accommodate the contents of the bag. The amount of heat is less than that of the sealing member: the heat of the two sides of the empty space is such that the heat sealing roller is described in the case where the heat sealing device depends on the heat, so that the heat is generated while the heat is generated. The rotation of the sealing member is slowed down to suppress the heat sealing method which is not productive. [Prior Art Document] [Patent Document] r 直*丨Document 1] Japanese Patent Laid-Open No. 2000_247310 [= 容献] 2] Japanese Patent Special Fair - Bulletin (Problems to be Solved by the Invention) : If the cross-heat seal is overheated, there will be a case where the refining resin will accumulate. Figure 6 (a) is: shows: two: 1, 1: between the generation of resin enlarged cross-sectional view, and the figure w _ _ check the heat seal part 6 of a part of the state: the state of the local heat release seal 6 Resin accumulation occurred 8 ^ 6 « ^ i 1 open, and the strength of the drop or the resistance of the bag was changed. Produce (4) slit 9 split 22386 100122386 201221424 Also, in the case of miscellaneous: time θ, the content filled between the crucibles 1 and 1 becomes the transverse heat seal portion in the thin contact towel evaporation * so that the volume is laminating bubbles, and the amount is less than enough The situation of the heat. The heat seal caused by the accumulation of resin or the loss of impurities, such as 卩, is not more strongly, and is closer to the end edges of the width direction of the t r, and is heated and pressurized by the middle portion 仃., , and seal. In order to reliably seal a specific part by means of a transverse heat sealing roll, it is important to set the temperature range. Therefore, if the conveying speed of the cylindrical packing is increased in order to improve the production of the bag filling, the spin speed of the heat sealing roller is also increased, and the phase of the transverse heat is insufficient. The intensity reduction H will be stored and the k heat seal is performed after the contents are filled into the tubular film, and the longitudinal heat seal is performed in the state of not filling the (four) material, compared to the longitudinal heat. Must be more careful. The heat-sealing is preferably carried out in a heat-sealing device as described in Patent Document 1, and the width of the heat-sealing member is unevenly distributed in the circumferential direction. = The heat seal temperature near the ends of the circle is higher than the middle portion. Therefore, it is easy to suppress the heat seal failure caused by the resin accumulation or the secret matter. However, in the heat-receiving device described in Patent Document 1, since the width of the portion where the thermal conductivity of the heat-sealing member is good is narrowed, there is a problem that it is difficult to control the temperature of the sealing member of the heat 100122386 201221424. Therefore, even if the heat-sealing temperature near the both end edges is set to the optimum temperature, there is a possibility that the intermediate portion is sufficiently fresh. On the contrary, if the intermediate portion is heated for 5 weeks as appropriate, the heat sealing temperature at both end edges will be too high, and the resin accumulation tends to occur. In the heat sealing device described in Patent Document 1, in order to increase the productivity, if the conveying speed of the large film of the cartridge is increased, the time during which the heat sealing member contacts the tubular film is short, so that heat cannot be sufficiently transmitted to the tubular shape. The film 'has to be defective in heat sealing. Further, the pattern of heat application in the width direction of the transverse heat seal is determined by the heat seal member. Therefore, there is a problem that the material or thickness of the film cannot be flexibly changed. Further, since the structure of the heat seal member is complicated, there is a problem that the cost of the device is increased or the durability of the heat seal member is problematic. On the other hand, in the heat sealing device described in Patent Document 2, even in the case of the conveying speed of the m film, it is not necessary to increase the speed of the transverse heat sealing roller. Therefore, a sufficient heat sealing time can be ensured. Moreover, since it can be reliably heat-sealed, high productivity can be expected. In the heat sealing device described in Patent Document 2, by squeezing the shape of the cam, the rotational speed of the transverse heat sealing roller is made such that the heat sealing strength at both end edges in the width direction is increased. Control is also easy, so it is easy to suppress heat seal failure caused by resin accumulation or secrets. However, in the thermal package i described in Patent Document 2, the rotational speed of the heat sealing roller is controlled by the movement of the heat sealing roller of the cam 100122386 7 201221424. However, the heat seals the egg weight so that the inertial force is large when the direction of the reverse movement is made. Therefore, if the rotation of the tenon becomes faster, the front end of the actuating jaw will be in close contact with the peripheral surface of the cam and cannot be moved. Therefore, the movement of the heat sealing roller is made unsmooth and vibration is generated. Because the chain is slack or taut, the chain will shake or vibrate. Moreover, due to such vibrations, a good transverse seal cannot be performed. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a heat seal which is highly productive, can suppress heat seal failure due to resin accumulation or inclusions, and/or can be heat-sealed under stable heat seal conditions. Method and method of filling using the same. (The means for solving the problem) The inventors of the present invention have studied the technique of moving a pair of heat-sealing rolls up and down at a high speed and suppressing vibration, and as a result, obtained the best use of the crankshaft when moving up and down, and according to This inventor completed the inventors. That is, the present invention provides the following heat sealing method. (1) A heat sealing method in which one of the pair of upper and lower movable rollers is held between the heat seal members disposed on the outer peripheral surface thereof by the heat seal roller, and the edge is lowered at a solid speed. The film is heat-sealed in the transverse direction; and is characterized in that the sum of the circumferential speed of the outer circumferential surface of the heat-sealing member and the descending speed of the heat-sealing roller is correctly controlled to be the descending speed of the tubular film, and the crankshaft and the connecting rod are used. The heat sealing roller moves linearly together with its rotary driving source, and makes the weight of substantially the same weight as the heat sealing roller including one of the above driving sources synchronized with the movement of the heat sealing roller 100122386 8 201221424 to the exact opposite When the direction is moved while the cylindrical material is held between the outer surfaces of the heat-generating members, the rotation speed of the sealing rolls at the initial stage and the end stage is slower than that in the middle stage, and the moving speed of the heat-sealing rolls becomes faster. (2) A heat sealing method which is capable of moving up and down while lowering the tubular film between the heat sealing members disposed on the outer peripheral surface thereof by the heat sealing roller, and lowering the two sides to each other The speed-decreasing Zhao film is heat-sealed in the transverse direction; it is characterized in that 'the correct control is made such that the sum of the circumferential speed of the outer circumferential surface of the heat-sealing member and the falling speed of the heat-sealing roller becomes the descending speed of the tubular film, and the crankshaft and the joint are used. a rod for linearly moving the heat sealing roller together with its rotary driving source, and making substantially the same weight weight as the heat sealing roller including one of the above driving sources, and synchronizing with the movement of the heat sealing roller in the opposite direction At the same time, while the tubular film is sandwiched between the outer peripheral surfaces of the heat seal member, the rotational speed of the heat seal roller is fixed at least in the middle stage, and the moving speed of the heat seal roller is fixed. Further, the present invention provides the following bag filling method. (3) A method of filling a bag for forming a tubular film by heat-sealing a side film of two films folded in half at a fixed speed or overlapping, and filling the contents into the tube The film is heat-sealed in the transverse direction to form a package filled with the inner grain in the bag; and the step of heat-sealing in the transverse direction is carried out according to the thermal method of (1) or (2). (Effect of the Invention) According to the heat sealing method of (1), the heat seal roller can be moved up and down by the crankshaft and the connecting rod. Further, by synchronizing the code breaking with the movement of the heat-radiating roller and moving in the opposite direction to the 22386 201221424, the vibration caused by the movement of the heat-seal roller up and down can be suppressed. Further, by making the heat _ the rotation speed of the heat seal at the beginning and the end of the heat squeezing, the heat distribution of the heat seal member can be uniformly maintained, and the heat (four degrees) at both ends in the width direction can be heat-sealed. . Thereby, it is possible to suppress the occurrence of heat sealing failure such as accumulation of bubbles or bubbles, and to obtain a package which is excellent in heat sealing and excellent in strength and impact resistance. Further, since the temperature of the heat-sealing member is not (4) small or almost absent, the temperature control of the heat-sealing member is also facilitated, and heat sealing can be performed under the conditions of the crucible. Further, even in the case where inclusions are present, a high heat seal strength can be obtained because an optimum temperature can be applied to the heat seal at both end edges in the width direction and sufficient is applied. Further, even in the case where the conveying speed of the tubular film is increased, since it is not necessary to increase the speed of the transverse heat sealing roller, it is possible to ensure sufficient heat sealing time and to ask for productivity. Moreover, by properly controlling the peripheral speed of the outer peripheral surface of the heat-sealing member and the descending speed of the heat-sealing roller, it is possible to achieve a beautiful appearance of the heat-sealed portion without causing wrinkles in the recording film and transporting a stable film. Packaged goods. Moreover, since the structure of the heat seal member is not complicated, there is no problem with the durability of the heat seal member. According to the heat sealing method of (2), the heat seal roller can be moved up and down by the crankshaft and the connecting rod. Further, by synchronizing the weight with the movement of the heat sealing roller and moving in the completely opposite direction, it is possible to suppress the vibration caused by the upper and lower movement of the heat sealing roller. Further, by fixing the rotational speed of the heat seal roller at least in the middle stage, heat sealing can be performed under stable conditions. 100122386 201221424 Thereby, a package which is excellent in heat sealing and excellent in drop strength or impact resistance can be obtained. Since the temperature of the heat-sealing member becomes uneven or becomes almost indefinite, the temperature of the heat-sealing member can be controlled easily, and the heat-sealing can be performed under a relatively stable condition. Further, even in the case of increasing the conveying speed of the tubular film, since it is not necessary to increase the rotational speed of the transverse heat sealing roller, sufficient heat sealing time can be ensured and productivity can be improved, and the structure of the heat sealing member is not complicated, so that the structure of the heat sealing member is not complicated. There is also no problem with the ambiguity of the heat-sealing member. Further, by accurately controlling the peripheral speed of the outer peripheral surface of the heat seal member and the lowering speed of the heat seal roller, it is possible to realize a film which can be transported without causing wrinkles in the tubular film, and the appearance of the heat seal portion is beautiful. Packaged goods. Moreover, 'the structure of the heat-sealing member is not complicated', so that the long-term reliability of the heat-sealing member does not cause any problem. [Embodiment] Hereinafter, the present invention will be described with reference to the drawings based on the embodiments. 1 to 3, the same reference numerals as those in Figs. 4 to 6 denote the same or equivalent components as those shown in Figs. 4 to 6, and the description thereof will be omitted. In the bag filling device used in the bag filling method of the present invention, the filling nozzle or the longitudinal heat riding, for example, the shaft can use the device illustrated in FIGS. 4 and 5 or the equivalent device, but Not particularly limited. Since the bag filling method of the present invention has characteristics in the transverse heat sealing method, the following will be described in detail with respect to the form of the transverse heat sealing method. 100122386 11 201221424
於圖 1、-) A 圃2中’元件符號20係表示橫熱封裝置。In Fig. 1, -) A 圃 2 'the symbol 20 indicates a horizontal heat sealing device.
&·、、、封裝置2G ’係具備—對熱封輥25、25，該-對熱封 幸昆2 5、2 S 具備·輕本體22，其係以旋轉軸21為中心進行 方疋轉’及熱封構件24，其係突出地設置於此概本體22之外 周面^23上。—對熱封輥乃、25中之一者係具備旋轉驅動源 (八省略）例如以齒輪（圖示省略)對另一者傳遞驅動力。 作為方疋轉驅動源，鐘於容易實麟轉速度之精密控制，故以 伺服馬達較佳。 封裝置2()，各熱封親25為其旋轉驅動源同時，沿 者筒狀膜3之傳送方向’可朝上下方向往返移動。藉此，可 調整熱封構件24之外周面26抵接於筒狀膜3之時間。 對.，、、封幸見25、25與旋轉驅動源，係藉由使用曲軸與連 :棒之曲轴裝置（圖示省略），而可設置為沿著筒狀膜3之傳 送方向進行JL線移.並且’使曲軸裝置之曲減轉之旋轉 驅動源(圖不省略），亦可使其他曲軸裝置之曲軸進行旋轉。 二Ϊ =驅動源亦可容易對旋轉速度作精密之控制，故 = =:α此兼_之旋轉驅動源，係為了使兩個 與包3紅轉驅動源之一對熱封輥 目同重x的块瑪’和熱賴之移動同步化而 ;==向移動。藉由使卿熱封輥25之移動同 步化而朝^相反之方向移動，則可消除熱封輥25之移動 100122386 201221424 方向在反轉時之振動。 此等兩個曲軸與兩個連結棒’雖然亦可為互相不同者，但 若為相同者則其同步與移動量之控制將變得容易，故較佳。 輥本體22係具有與旋轉轴21之中心軸線同心之外周面 23的圓柱狀。熱封輥25係以輥本體22之旋轉軸21為中心， 如圖1及圖2之箭頭所示可互相地朝相反方向旋轉。各個旋 轉軸21 ’係以互相平行之方式配置。於輥本體22之外周面 23 ’上形成有由沿旋轉軸21之長度方向延伸設置之4根凸 條之熱封構件24。 條’可任意地設定。 於此例中’作為熱封輥25，雖然例示有4條熱封構件24 互相以等間隔而形成於圓柱狀之輥本體22上，但輕本體22 只要為以旋轉軸21為中心而可旋轉者即可，並不受限於圓 柱狀者。又，熱封構件24只要1根以上即可，亦可為若干The &·,, and sealing device 2G' is provided with a pair of heat sealing rollers 25 and 25, which are provided with a light body 22, which is centered on the rotating shaft 21 The 'and heat sealing member 24 is protrudedly disposed on the outer peripheral surface 23 of the main body 22. - One of the heat sealing rollers, 25, is provided with a rotational drive source (eight omitted), for example, a gear (not shown) transmits a driving force to the other. As the driving source of the square turn, the clock is easy to control the speed of the real speed, so the servo motor is better. In the sealing device 2 (), each heat sealing member 25 is a rotation driving source thereof, and is reciprocally movable in the vertical direction along the conveying direction of the tubular film 3. Thereby, the time when the outer peripheral surface 26 of the heat seal member 24 abuts against the tubular film 3 can be adjusted. For the sake of ., , and fortunately see 25, 25 and the rotary drive source, the JL line can be set along the conveying direction of the tubular film 3 by using a crankshaft and a crankshaft device (not shown). The crankshaft that moves and the crankshaft device is rotated (not shown) can also rotate the crankshafts of other crankshaft devices. Second Ϊ = drive source can also be easily controlled for the rotation speed, so = =: α this _ the rotary drive source, in order to make two and the package 3 red drive source one of the heat seal roller The block of 'x' and the heat of the heat are synchronized; == to move. By moving the movement of the heat sealing roller 25 in the opposite direction, the movement of the heat sealing roller 25 can be eliminated. The vibration of the direction of the reversal 100122386 201221424 is reversed. These two crankshafts and the two connecting rods ' may be different from each other. However, if they are the same, it is preferable to control the amount of synchronization and movement. The roller body 22 has a cylindrical shape having a peripheral surface 23 concentric with the central axis of the rotary shaft 21. The heat sealing roller 25 is centered on the rotating shaft 21 of the roller body 22, and is rotatable in opposite directions to each other as indicated by arrows in Figs. 1 and 2 . Each of the rotating shafts 21' is disposed in parallel with each other. A heat seal member 24 having four ridges extending in the longitudinal direction of the rotary shaft 21 is formed on the outer peripheral surface 23' of the roller body 22. The bar ' can be set arbitrarily. In this example, as the heat seal roller 25, although four heat seal members 24 are exemplarily formed at equal intervals to each other on the cylindrical roller body 22, the light body 22 is rotatable about the rotation shaft 21 as a center. It can be, and is not limited to the cylindrical shape. Further, the heat sealing member 24 may be one or more, or may be several
動源使— 對熱封輥25、25 熱封構件： 亦可形成為| 而相對於筒浓 熱封構件24 狀成為波狀等 定於將棒狀之 軸21單純為| 橫熱封裝置 13 201221424 互相地朝相反方向，且以相等之旋轉速度進行旋轉。於此等 方疋轉之,，，'封幸見25、25之間將筒狀膜3自上方朝下方傳送。 藉^於其中之一熱封報25之熱封構件24之外周面26、 與另一熱购25之熱封構件24之外周面26之間，筒狀膜 自兩側被爽持。而且，以—對熱封構件％㈣狀膜3 一 邊進订加·彡進行加熱’而進行橫熱封。-對熱封輥25、 系。、、封構件24彼此對向時，使熱封構件24之外周面 26^；㈣㈣臈3之厚度左右之間距接近地配置。 =、、、賴25之輥本體22之長度方向之兩端部，設置有 直外=之位置限制構件27。位置限制構件27之外周面28， 八仅大於熱封構件24之外周面％。藉由位置限制構件27 之外周面28彼此之自s， on, —對熱封輥25、25之間隔被限制。 …封裝置20 ’係一邊下降一邊對筒狀膜3反覆進行橫 、、體而言，反覆進行圖1⑷〜圖1(b)—圖2⑷—圖2⑻ —圖1⑷之循環。於圖2(b)1物，橫熱聽置20,係 糾熱封結束後，使—賴封輥25、25進-錢轉，且使 熱封構件24之外周面26自筒狀膜3離開並反轉移動方向。 如此’―對熱封輥25、25 ’係以比夾持筒狀膜3而下降之 距離L上升較大之距離，一至開始橫鱗之前的狀離， 以準備進行下—次之熱封。此時，因為即便朝相反方向:升 與下降時相同之執跡，熱封構件24之外周錢亦不 至兔狀膜3,故可僅單純利用使熱塊25往返之簡單動作 100122386 201221424 而實施本發明之熱封方法。 接著，針對使用沿著筒狀膜3傳送方向之方向往返移動之 熱封裝置20說明對筒狀膜3進行橫熱封之方法。 使一對熱封親25、25相互朝相反方向進行旋轉，而將進 行橫熱封之筒狀膜3朝向一對熱封輥25、25之間傳送。 於此，筒狀膜3之傳送速度，係為A(m/s)之固定速度。 又，自旋轉軸21之中心至熱封構件24之外周面26為止之 距離、即熱封構件24之外周面26之旋轉半徑係為r(m)。 若將對應於熱封構件24圓周方向之長度的中心角設為0 (rad)，則沿著熱封構件24之外周面26之圓周方向的長度為 r 0 (m)。 如圖3(a)所示，若將形成橫熱封部6之部分6A之寬度設 為W，則熱封構件24之外周面26於與筒狀膜3之間不打 滑或者不產生禪皺而抵接時，W = r Θ之關係則成立。 再者，為了使說明易於理解，於圖1、圖2中，將筒狀膜 3内所形成之部分6A藉由影線圖示。 如圖1(a)所示，若一邊使一對熱封輥25、25旋轉一邊將 筒狀膜3朝下方傳送，則自筒狀膜3之兩側使一對熱封輥 25、25之熱封構件24、24之外周面26、26開始抵接，而 成為圖1 (b)所示之狀態。將此時之熱封親25之中心位置之 相對高度設為Pi。如圖1(b)所示，於熱封構件24之外周面 2 6開始抵接至筒狀膜3之時間點X，熱封構件2 4係如圖3 (a) 100122386 15 201221424 所示，抵接至被橫熱封之部分6A之下側的端緣附近。 於圖1(b)所示之狀態之時間點，藉由具備曲袖與連結棒之 曲軸裝置（圖示省略)將-對熱封幸昆25、％沿著筒狀膜3之 傳送方向進行驅動’而使-對熱封輥乃、25開始下降。 如此’於將筒狀膜3夾持於熱封構件24、之外周面26、 26間的期間，若-邊使-對熱封輥2s、25旋轉〆邊使其下 降’則達到2(a)所示之狀態。於圖2⑷之時間點γ，熱封 構件24係抵接於橫熱封之部分6Α中的寬度方向之中間位 置之附近。 而且，若一邊使一對熱封輥25、25旋轉一邊將筒狀膜3 朝下方傳送，則熱封構件24、24之外周面26、26會自筒狀 膜3離開，而完成一次橫熱封。於熱封構件％即將自筒狀 膜3離開之前的時間點ζ ’熱封構件24之抵接位置係如圖 3(a)所不為被橫熱封之部分6Α之上側的端緣附近。 於一對熱封輥25、25之熱封構件24、24之外周面26、 26同時自筒狀膜3剛離開之當下，亦一邊使一對熱封輥25、 25旋轉一邊使熱封輥乃之移動方向朝上方反轉。若將在圖 2(b)之時間點的熱封輥25之中心位置之相對高度設為h， 則於一次橫熱封之期間内熱封輥25所下降之Ρι〜Ρ2之間的 距離’為圖2(b)中以元件符號L所示之長度。 再者，於圖2中，將圖1(b)之狀態即在橫熱封開始之時間 點的熱封輥25之位置以雨點鏈線表示。 100122386 16 201221424 於松熱封裝置2G反覆進行筒狀膜3之橫熱封時，橫熱封. 裝置20之狀態車父佳為每次以相同之狀態實施。因此，於橫 熱封完成後’使熱封親9 棍25上升較距離L更大之距離，以恢 復至圖1(a)所示之狀綠， - 先、且於下一次橫熱封開始之前，使橫 熱封返回至位置P1。 再者’於袋5之長度較短時，雖然可於完成複數次橫熱封 之後χ'ϊ尤使熱封報25上升而返回至最初之位置，但有時 其控制較為困難。 於熱封親25朝上方移動的期間，雖然各熱封輥亦可不 必持續地方疋轉’但於熱封辕25朝上方移動的期間熱封構件 24之外周面26必須不接觸於筒狀膜3。又，於熱封親乃 返回至圖1⑻所示之位置為止時，下-個熱封構件24必須 配合與對筒㈣3之下個部位可進行橫熱封之時序。於自熱 封輥25上升直至下—次橫熱封開始為止之期間内，熱封報 25之移動速度及旋轉速度被調整為適合開始下一次橫熱封 的速度。 • 如上述，於熱封構件對筒狀膜3進行橫熱封的期間，若使 熱封輥25下降，且使熱封構件24自筒狀膜3離開，則可反 覆使熱封輥25上升。 於此，在被夾持於熱封構件24之外周面26之間的期間 内，熱封輥25旋轉之角速度被設為a(rad/s)，熱封構件24 之外周面26之圓周速度被設為Vi(m/s)，並將熱封輥25之 100122386 17 201221424 下降速度設為v2(m/小關於肖速度α與_速度％，如上 述j將熱封構件24之外周面26之旋轉半徑設為r㈣時，The heat source sealing member 25 or the heat sealing member 25 may be formed into a wave shape, and the rod-shaped shaft 21 is simply formed as a horizontal heat sealing device 13 . 201221424 Rotate in opposite directions to each other and at an equal rotation speed. In this case, the transfer of the tubular film 3 from the top to the bottom between 25 and 25 is shown. The tubular film is held from both sides between the outer peripheral surface 26 of the heat seal member 24 of the heat seal member 25 and the outer peripheral surface 26 of the heat seal member 24 of the other heat pack 25. Further, transverse heat sealing is performed by heating and heating the heat-sealing member % (four)-like film 3 on one side. - Pair heat seal roller 25, tie. When the sealing members 24 are opposed to each other, the outer circumferential surface 26 of the heat sealing member 24 is disposed so as to be close to the thickness of the thickness of (4) (4) 臈3. At both ends in the longitudinal direction of the roller body 22 of the slabs 25, a position regulating member 27 of straight outer = is provided. The outer peripheral surface 28 of the position restricting member 27 is eight only larger than the outer peripheral surface % of the heat seal member 24. The interval between the heat seal rollers 25, 25 is restricted by the outer peripheral faces 28 of the position restricting members 27 from s, on, -. The sealing device 20' repeats the circulation of the tubular film 3 while moving, and repeats the cycle of Fig. 1 (4) to Fig. 1 (b) - Fig. 2 (4) - Fig. 2 (8) - Fig. 1 (4). In Fig. 2(b), the horizontal heat is set to 20, and after the heat correction seal is completed, the sealing rolls 25 and 25 are turned into and out, and the outer peripheral surface 26 of the heat sealing member 24 is made from the tubular film 3. Leave and reverse the direction of movement. Thus, the heat-sealing rolls 25, 25' are lifted by a distance which is larger than the distance L which is lowered by the sandwiching of the tubular film 3, and is separated from the front of the horizontal scale to prepare for the next-time heat sealing. At this time, even if the heat sealing member 24 does not have the same effect as the rabbit-shaped film 3 even in the opposite direction: the same as the rising and falling, it can be implemented by simply using the simple operation 100122386 201221424 for moving the heat block 25 back and forth. The heat sealing method of the present invention. Next, a method of transversely heat-sealing the tubular film 3 will be described with respect to the heat sealing device 20 that reciprocates in the direction in which the tubular film 3 is transported. The pair of heat seal members 25, 25 are rotated in opposite directions to each other, and the tubular film 3 subjected to the transverse heat seal is transferred between the pair of heat seal rolls 25, 25. Here, the conveying speed of the tubular film 3 is a fixed speed of A (m/s). Further, the distance from the center of the rotating shaft 21 to the outer peripheral surface 26 of the heat sealing member 24, that is, the radius of rotation of the outer peripheral surface 26 of the heat sealing member 24 is r (m). When the central angle corresponding to the length of the heat sealing member 24 in the circumferential direction is set to 0 (rad), the length along the circumferential direction of the outer peripheral surface 26 of the heat sealing member 24 is r 0 (m). As shown in Fig. 3(a), if the width of the portion 6A forming the lateral heat seal portion 6 is W, the outer peripheral surface 26 of the heat seal member 24 does not slip or form a wrinkle between the outer peripheral surface 26 and the tubular film 3. When abutting, the relationship of W = r Θ is established. Further, in order to make the explanation easy to understand, in Fig. 1 and Fig. 2, the portion 6A formed in the tubular film 3 is shown by hatching. As shown in Fig. 1(a), when the tubular film 3 is conveyed downward while rotating the pair of heat sealing rolls 25 and 25, a pair of heat sealing rolls 25 and 25 are formed from both sides of the tubular film 3. The outer peripheral surfaces 26 and 26 of the heat seal members 24 and 24 start to abut and become in the state shown in Fig. 1(b). The relative height of the center position of the heat seal pro 25 at this time is set to Pi. As shown in Fig. 1(b), at the time point X at which the outer peripheral surface 26 of the heat seal member 24 starts to abut against the tubular film 3, the heat seal member 24 is as shown in Fig. 3 (a) 100122386 15 201221424. It abuts to the vicinity of the edge of the lower side of the portion 6A which is laterally heat sealed. At the time point shown in FIG. 1(b), the crankshaft device (not shown) having the curved sleeve and the connecting rod is used to carry out the heat-sealing operation of the tubular film 3 in the direction in which the tubular film 3 is conveyed. Drive 'and make - the heat seal roller, 25 starts to fall. When the tubular film 3 is sandwiched between the heat seal member 24 and the outer peripheral surfaces 26 and 26, the edge of the heat seal member 2 and the heat seal rolls 2s and 25 are rotated and lowered to reach 2 (a). ) The state shown. At the time point γ of Fig. 2 (4), the heat seal member 24 abuts in the vicinity of the intermediate position in the width direction of the portion 6Α of the transverse heat seal. When the tubular film 3 is conveyed downward while the pair of heat sealing rollers 25 and 25 are rotated, the outer circumferential surfaces 26 and 26 of the heat sealing members 24 and 24 are separated from the tubular film 3 to complete a horizontal heat. seal. At the time point before the heat sealing member % is about to leave the tubular film 3, the abutting position of the heat sealing member 24 is not near the edge of the upper side of the portion 6Α which is laterally heat sealed as shown in Fig. 3(a). The outer circumferential surfaces 26, 26 of the heat sealing members 24, 24 of the pair of heat sealing rollers 25, 25 are simultaneously separated from the tubular film 3, and the heat sealing rollers are also rotated while rotating the pair of heat sealing rollers 25, 25. The direction of movement is reversed upwards. If the relative height of the center position of the heat sealing roller 25 at the time point of Fig. 2(b) is h, the distance between the Ρι and Ρ2 of the heat sealing roller 25 during the one horizontal heat sealing is ' It is the length shown by the symbol L in Fig. 2(b). Further, in Fig. 2, the position of the heat seal roller 25 at the time point when the horizontal heat seal is started, which is the state of Fig. 1 (b), is indicated by a raindrop chain line. 100122386 16 201221424 When the Yusong heat sealing device 2G repeatedly performs the transverse heat sealing of the tubular film 3, the transverse heat sealing. The state of the device 20 is carried out in the same state every time. Therefore, after the completion of the transverse heat seal, 'the heat seal pro 9 stick 25 is raised by a distance greater than the distance L to return to the green shape shown in Fig. 1 (a), - first, and the next horizontal heat seal begins. Previously, the transverse heat seal was returned to position P1. Further, when the length of the bag 5 is short, the heat seal report 25 may be raised to return to the initial position after the completion of the plurality of cross heat seals, but the control may be difficult. While the heat seal roller 25 is moving upward, the heat seal roller may not have to be continuously rotated, but the outer peripheral surface 26 of the heat seal member 24 must not contact the tubular film while the heat seal member 25 is moving upward. 3. Further, when the heat sealing member returns to the position shown in Fig. 1 (8), the lower heat sealing member 24 must be fitted with the timing of the horizontal heat sealing of the lower portion of the cylinder (4) 3. During the period from the rise of the heat sealing roller 25 to the start of the next-stage transverse heat seal, the moving speed and the rotational speed of the heat seal 25 are adjusted to suit the speed at which the next horizontal heat seal is started. As described above, when the heat sealing member 25 is horizontally heat-sealed during the heat sealing member, when the heat sealing roller 25 is lowered and the heat sealing member 24 is separated from the tubular film 3, the heat sealing roller 25 can be repeatedly raised. . Here, during the period of being sandwiched between the outer peripheral faces 26 of the heat seal member 24, the angular velocity at which the heat seal roller 25 rotates is set to a (rad/s), and the peripheral speed of the outer peripheral face 26 of the heat seal member 24 is set. It is set to Vi (m/s), and the lowering speed of 100122386 17 201221424 of the heat sealing roller 25 is set to v2 (m/small with respect to the shaw speed α and _speed %, and the outer peripheral surface 26 of the heat sealing member 24 as described above j) When the radius of rotation is set to r (four),
Vi a *r(m/s)之關係成立。筒狀膜3相對於熱封幸昆h之相 對速度，係由筒狀膜3之傳送速度A與熱雜25之下降速 度V2之差(A-V2)所表示。即，藉由使熱封親25.下降，使熱 封親25作為基準之筒㈣3之表觀(響fen職傳送速度 (A-V2)，慢於實際之傳送速度a。 又 於筒狀膜3被夾持於熱封構件2 4之外周面2 6之間的期間 内’若熱封報25之熱封構件24之外周面％之圓周速度％、 與石著熱封糙25之傳送方向之移動速度％之和，維持與筒 狀膜3之傳送速度A相等的關係(A= Vi +V2)，則熱封構件 24之外周面26與筒狀膜3之速度差為〇。因此，不會出現 有熱封構件24對於筒狀膜3打滑、或者筒狀膜3鬆他而產 生褶皺之情況，而可實現良好之橫熱封。 於圖4及圖5所示習知之熱封裝置3〇之熱封輥乃當其未 沿著筒狀膜3之方向移動時，熱封構件24之圓周速度％ 必須與筒狀膜3之傳送速度a相等。因此，若決定筒狀膜3 之傳送速度A’就會自動決定熱封輥25之旋轉速度（角速度） α，因 ν1= αΓ，故^ = A/r(rad/s)。 相對於此，於熱封親25下降時，ar=v1 = A_ v2即可。 因此，藉由變更下降速度V2,旋轉速度a(rad/s)在理論上可 設定為任意之值。 100122386 18 201221424 而且，例如在將旋轉速度α設定為習知之熱封裝置3〇之 旋轉速度的1/2即a =(A/2)r時’圓周速度ν!=1/2Α，下降 速度ν2=ι/2Α。此時，因將橫熱封部之寬度W以習知之一 半之速度進行熱封，故熱封時間成為2倍。因圓周速度Vi 與下降速度V2相等’故若以旋轉速度a =A/2r之固定速度 對膜3之被橫熱封之部分6A整體進行熱封，則熱封輥25 一邊進行橫熱封一邊下降之距離L係與橫熱封寬度r0相 等，為 L=r(9。 又，例如在將旋轉速度α設定為(A/3)r時，圓周速度Vi = A/3，下降速度V2 = (2/3)A。此時，旋轉速度α，因為成 為習知之熱封裝置中之旋轉速度之1/3，故熱封時間成為3 倍。下降速度V2因為成為圓周速度V〗之2倍，若以旋轉速 度a =(A/3)r之固定速度對於被橫熱封之部分6A整體進行 熱封，則熱封輥25 —邊進行橫熱封一邊下降之距離L係與 橫熱封寬度Γ0之2倍相等，為L = 2r0。 即，於將旋轉速度α設定為習知之熱封裝置30之旋轉速 度的l/η即a = (A/n)r時，下降速度乂2 = ((1>1)/11)人，且下 降之距離L=(n-l)r0。再者，η亦可不為整數。 於利用熱封輥未沿著筒狀膜3之傳送方向移動之習知的 熱封裝置30之熱封方法中，旋轉速度α係決定為A/r之固 定值。相對於此，藉由熱封時使熱封輥25沿著筒狀膜3之 流動方向下降，不管筒狀膜3之傳送速度A如何’其可任 100122386 19 201221424 意地進行調整。即’不使筒狀膜3之傳送速度a減速，維 持為固定值之狀態下，將藉由熱封構件24熱封時之各熱封 輥25之旋轉速度任意地減速至對熱封具有充分的速度為 止，則可將熱封時間調整為所希望之時間。 即’於本形態例之熱封方法之情形，因可使旋轉速度〇慢 於習知之熱封裝置30之旋轉速度即Α/Γ，故可使熱封構= 24抵接於筒狀膜3之_長於習知之熱封裝^ %，而可慎 重地進行賴封。相反地’即使於筒㈣3之傳送速度較快 時，亦可確保充分之熱封時間，故可於維持密封強度等品質 之狀態下，提高生產性。 丁〜入六姐雯更樣式，可根據筒狀 膜3之傳送速度Α或賴封部之寬度方㈣熱封時間之八 布’鼻出適當之條件而設定。 刀 於此，在本形_之熱封方法中，例如圖3(b)所示 狀膜3之:熱封期間之初期χ及末期2,相較 之: 期Υ’使熱_5之旋轉速度賴，且 ^ 速度變快。 <下降 ~)《元件㈣Χ&ζ，_ 之袋5之收納空間7之端緣進行熱封之 係對橫熱封部ό之甯70仵付欢 m… 中間部分進行熱封之時序 豬由如此進行橫熱封呤序。 ㈣狀膜3之傳送速度Α俾」 為固疋之^下，使橫熱封部6中之接近袋5之收納= 100122386 201221424 之:分的單位長度之熱封時間相對地延長，而使橫熱封部6 之見度方向之中間部分的單位長度之熱封時間為固定並相 對地細紐。即’可使橫熱封部中之寬度方向之兩端緣附近的 熱封強度變高’而適當地控制寬度方向之中央部之熱封強 度。耩由對寬度方向之中央部進行熱封之每單位長度的時間 縮短’可使橫熱封部6不會產生樹脂過度加熱之情形，而可 抑制樹脂積存之發生。又，因為使用溫度分布均勻之埶封構 件’可以相對較長之時間進賴封，故可抑_存於軌封部 6内之爽雜物之水分的蒸發或因其所引起之體積膨脹、氣泡 之產生’亦較不會引祕剝離，而可獲得良好之敎封。 如上述’熱龍25之旋轉速度咖_，雖然在理論上 可設定為任意之值’但由於以下之理由，旋轉速度^係於進 行1次橫熱封之期間内’必須於〇 之範圍内。 熱封幸昆25,因為朝固定方向旋轉，故旋轉速度4化 α。熱封構件24之外周面26之圓周速度义，因為在膜3 :送速度A以下，故Vl=化Aegp，旋轉速度、“ 根據本形態例之熱封方法，並非如專利文獻i之熱封構件 外周面之熱導率之位置性分布’而是藉由熱封構件旋轉速产 之時間性分布，對於橫熱封部可賦讀寬度方向之兩端緣: =度局部加強之熱的分布。因此，當然可抑獅旨積存 也、、封不良，而獲得熱封良好、落下或_擊性以之 100122386 21 201221424 均較小或幾乎沒有之 並可以穩定之條件進 包裝品，且因可成為熱封構件之溫度不 狀態’故熱封構件溫度之控制亦容易， 行熱封^ 又，即使於提高筒狀膜3之傳送速 熱封棍之旋轉迷度，故可確保充分二亦= =構件之構造不複雜’故無產生熱封構件 又，同狀膘3 〜丨子达迩度被保持為固定，於 持於熱封構件之外周面之間的期間内，使敎被央 W與熱封輥之移動速度V2之和，;：=二 送速度A相等之關係，可使得熱封構件之:^狀膜3之傳 相對速度差為〇,熱封構件之外 周面熟狀膜3 之方式抵接。藉此’因為不會使熱封構 或者於筒狀膜3上產生_ W狀膜3打;月， 3傳送，並可獲得熱封部之外觀美麗之穩定之筒狀膜 為===;::期Y使熱· 25之旋轉速度 3進行橫熱封時熱封構件定時，在對筒狀膜 及下降之速度之關係的圖。^抵^=熱封輥25之旋轉 速度固定，職據《下料餘佳者。__25之移動 二 珠螺Μ，雖然容易控制為固定 100122386 ^ 201221424 速度，但每次轉換轉說 朝正反向旋轉，為了 1時則必做馬達暫時停止而使其 與急速停止，故並不實^速進仃上下移動，則必須急速發動 速之上下移動，fe T又’使用凸輪機構者雖可實現高 成間隙，故於Μ速^ 之凸輪從動件與溝槽之間形 之方向變更則若凸輪從動件進行較大 因此於本發明中，係利用可進行高速上下移動 較高之曲軸’使熱封链25上下移動。下移動且耐久性 曲軸因為進行圓周運動 動，則熱_25之移動^ ^U轉轉換為直線運 2封構件24之外周面26之角速度讀熱封觀25之移動 速度％的_ ’因為控制為αη = Α—%，故於 25之下降许v l 封幸見 、之下降速度V2如此變化時，則必須使熱_ &之 速度α亦以描繪正弦曲線之方式變化。 然而，當熱封親25返回至圖1(b)所示之開始橫熱封之 間點的位置為止時，下—個熱封構件24則必須配合可對筒 狀膜3之下個部位進行橫熱封之時序而使熱封輥&進行^ 轉。因此，其難以配合熱封輥25之移動速度之變化而使熱 封輥25之旋轉速度變化，故不實際。 因此’於向狀膜3被爽持於熱封構件之外周面之間的期門 内’若至少於中期使熱封輥之旋轉速度固定，則至少於中期 100122386 23 201221424 使熱封輥之移動速度為固定即可。 動速度固定，則僅檢測熱封之初期與了於中期使熱封幸昆之移 封之初期與末期，因為於妖封、期即可。為了檢測熱 21、旋轉驅動源之旋轉部分等卜24、熱封輥25、旋轉軸 之寬度方向之_部的標記判斷熱封構件^ 記之方法、以旋轉編碼器測定旋轉=以光學感測器感知標 故比較容易。㈣δ丨 角之方法等而予以實現， 权令易。因此，至少於熱封 期，使熱封構件24之外周面26在^速度為固定之中 或者產生褶鍁、琦狀膜3之間不會打滑 座生純而抵接，且可以使熱 變小、或成為沒有讀_敎 Φ之，皿度不均句 而且，根據膜3之材質或填充之內下進行熱封。 雜物所導致之熱封不良之虞較小、於_積存或夹 進行⑽部之寬度W之整個寬度 旋轉心力進订如此之熱封，則因於熱封中熱封輥25之 疋轉速度#變化，故可以較穩定之條件進行熱封。 5之高度較小時、熱封輥25之加工速度較大時、 之旋轉速度較小時等，當橫熱封結束，熱封㈣ ㈣始下_次橫熱封之前的狀態之圖1⑷之位置 :’以使熱封構件24位於筒狀膜3之下一個熱封部位 、方5 #制熱封轉25之上升速度，亦可使熱封輥Μ常時 =定迷度持續_。若如此使脑輥Μ料㈣定速度 、、敬轉之㈣下進行熱封，顧錢熱封輥25之旋轉速 100122386 24 201221424 度受動之要件存在，故可以更穩定之條件、 根據將上述之熱封方法應用於橫熱:進行熱封。 法，因為如上述可防止橫熱封部之# ^之製袋填充方 脂積存之效果以外，亦可獲得-邊將I故除了抑制樹 -邊對該筒狀膜3沿橫向熱封之際，可=填充至筒狀膜3 於筒狀膜3之間的内容物中之水分蒸發而: = 之效果。此-結果，可高生產性製造落下強度或耐衝擊性優 異之包裝品。 ，但本發明並 以上，雖已根據較佳之實施形態說明本發明 不受限於上述賴例，討料義本發财旨之範圍内進 行各種改變。 例如，於圖4及圖5中，絲示製造將1張膜1沿寬度方 向對折後不包含此折返部之袋5的三個方向經熱封而成的 二方向谘封袋之製袋填充裝置。相對於此，於製造袋5之四 個方向經熱封而成之四方向密封袋時，則可藉由將2張膜重 疊而將此等膜之側緣部彼此於該膜之兩側沿縱向進行熱 封’而將内容物填充至所得之筒狀臈内並㈣筒狀膜實施橫 熱封而實施。 (產業上之可利用性） 本發明可被利用於製造例如將液體或粉粒體等内容物密 封填充至袋内之包裝體。 【圖式簡單說明】 100122386 25 201221424 圖1係說明藉由橫熱封裝置，對筒狀膜進行橫熱封之步驟 之概略說明圖，（a)係表示開始橫熱封之前的狀態之說明 圖，0)係表示說明開始橫熱封之時點之說明圖。 圖2係說明藉由橫熱封裝置，對筒狀膜進行橫熱封之步驟 之概略說明圖，（a)係表示橫熱封之過程中之狀態之說明 圖’（b)係表示橫熱封結束之時點之說明圖。 圖3係說明於對筒狀膜進行橫熱封時之熱封構件之抵接 位置與熱封輥之旋轉及下降速度的關係之圖，（a)係表示熱 封構件抵接於橫熱封部之位置之筒狀_前视圖，⑻係熱 封親之旋轉圓周速度及下降速度之模式圖。 ”、、 圖4係表示填充包裝裝置之一例之概略斜视圖。 圖5⑷係圖4之填充包裝裝置之前視圖，# 之S-S線之剖面圖。 糸石者（a)中 。W你表φ〜Ί〜、.、、一…，-〜一例之^ 之 圖，（b)係表示發生「樹脂積存」之橫熱封部 放大剖面圖。 【主要元件符號說明】 1 膜 2 膜之侧緣部 3 筒狀膜 4 縱熱封部 5 袋 100122386 201221424 6 橫熱封部 6A (橫熱封部之)部分 7 收納空間 8 樹脂積存 9 裂縫 10 縱熱封裝置 11 ' 21 旋轉軸 12 ' 22 旋轉體(輥本體） 13 ' 23 旋轉體之外周面 14 ' 24 熱封構件 15 ' 25 熱封輥 16 ' 26 熱封構件之外周面 17 ' 27 位置限制構件 18 ' 28 位置限制構件之外周面 20 橫熱封裝置 30 熱封裝置 31 喷嘴 32 喷出口 α 旋轉速度 r 旋轉半徑 θ 中心角 τθ 長度 100122386 27 201221424 A 傳送速度 L 距離 Pi ' P2 相對高度 S-S 剖線 Vi 圓周速度 V2 下降速度(移動速度) w 寬度 X 初期 Y 中期 z 末期 100122386 28 ⑧The relationship of Vi a *r(m/s) is established. The relative velocity of the tubular film 3 with respect to the heat seal is expressed by the difference (A-V2) between the transfer speed A of the tubular film 3 and the falling speed V2 of the heat hybrid 25. That is, by lowering the heat-sealing pro- 25., the heat-sealing pro- 25 is used as the reference cylinder (4) 3 (the sound transmission speed (A-V2) is slower than the actual conveying speed a. 3 is sandwiched between the outer peripheral surfaces 26 of the heat seal member 24, and the circumferential speed % of the outer peripheral surface % of the heat seal member 24 of the heat seal member 25 and the transport direction of the heat seal 25 When the sum of the moving speed % is maintained in the same relationship as the conveying speed A of the tubular film 3 (A = Vi + V2), the difference in speed between the outer peripheral surface 26 of the heat sealing member 24 and the tubular film 3 is 〇. There is no possibility that the heat sealing member 24 slips against the tubular film 3 or the tubular film 3 loosens, and a good transverse heat seal can be achieved. The conventional heat sealing device shown in Figs. 4 and 5 When the heat-sealing roller is not moved in the direction of the tubular film 3, the peripheral speed % of the heat-sealing member 24 must be equal to the conveying speed a of the tubular film 3. Therefore, if the tubular film 3 is determined The conveying speed A' automatically determines the rotation speed (angular velocity) α of the heat sealing roller 25, since ν1 = αΓ, so ^ = A/r(rad/s). In contrast, in the heat sealing pro 25 When the time is lowered, ar=v1 = A_v2. Therefore, by changing the falling speed V2, the rotational speed a (rad/s) can theoretically be set to an arbitrary value. 100122386 18 201221424 Moreover, for example, the rotational speed α It is set to 1/2 of the rotational speed of the conventional heat sealing device, that is, a = (A/2) r, 'circumferential speed ν! = 1/2 Α, and descending speed ν2 = ι/2 Α. The width W of the heat seal portion is heat-sealed at a speed of one of the conventional ones, so the heat seal time is doubled. Since the circumferential speed Vi is equal to the descending speed V2, the film 3 is fixed at a fixed speed of the rotational speed a = A/2r. The portion 6A which is horizontally heat-sealed is heat-sealed as a whole, and the distance L which is lowered by the heat-sealing roller 25 while being horizontally sealed is equal to the width of the transverse heat seal r0, and is L = r (9. When the speed α is set to (A/3)r, the peripheral speed Vi = A/3, and the descending speed V2 = (2/3) A. At this time, the rotational speed α is the rotational speed in the conventional heat sealing device. 1/3, so the heat sealing time is 3 times. The falling speed V2 is twice the circumferential speed V, and if it is at a fixed speed of the rotation speed a = (A / 3) r, it is transversely heat sealed. When the part 6A is heat-sealed as a whole, the distance L of the heat-sealing roller 25 while being horizontally sealed is equal to twice the width of the horizontal heat-sealing width ,0, and is L = 2r0. That is, the rotational speed α is set to When l/η of the rotational speed of the heat sealing device 30 is a = (A/n) r, the descending speed 乂2 = ((1 > 1) / 11), and the falling distance L = (nl) r0. Further, η may not be an integer. In the heat sealing method using the conventional heat sealing device 30 in which the heat sealing roller does not move in the conveying direction of the tubular film 3, the rotation speed α is determined as the fixing of A/r. value. On the other hand, when the heat sealing roller 25 is lowered in the flow direction of the tubular film 3 by heat sealing, regardless of the conveying speed A of the tubular film 3, it can be adjusted to 100122386 19 201221424. In other words, in a state where the transport speed a of the tubular film 3 is not decelerated and maintained at a fixed value, the rotational speed of each heat seal roller 25 when heat-sealed by the heat seal member 24 is arbitrarily decelerated to a sufficient extent for heat sealing. The speed of the heat seal can be adjusted to the desired time. That is, in the case of the heat sealing method of the present embodiment, since the rotation speed can be made slower than the rotational speed of the conventional heat sealing device 30, that is, Α/Γ, the heat seal = 24 can be abutted against the tubular film 3 It is longer than the conventional heat package ^%, and can be carefully carried out. On the other hand, even when the transfer speed of the cartridge (four) 3 is fast, sufficient heat sealing time can be ensured, and productivity can be improved while maintaining the quality such as the sealing strength. Ding ~ into the six sisters more style, can be set according to the transfer speed of the tubular film 3 or the width of the seal (four) heat seal time of the eight cloth 'nose out of the appropriate conditions. Here, in the heat sealing method of the present shape, for example, the film 3 shown in Fig. 3 (b): the initial enthalpy and the final period 2 during the heat sealing period, compared with the following: Speed depends, and ^ speed becomes faster. <Drop~) "Component (4) Χ & ζ, _ The pocket of the storage space 7 of the bag 5 is heat-sealed to the transverse heat seal part ό之宁 70仵付欢 m... The middle part is heat-sealed the timing of the pig This is done by transverse heat sealing. (4) The conveying speed of the film 3 is "solid", so that the heat sealing time of the unit length of the branching bag 5 in the horizontal heat sealing portion 6 is relatively extended, and the horizontal sealing time is relatively extended. The heat seal time per unit length of the middle portion of the heat seal portion 6 in the visibility direction is fixed and relatively thin. In other words, the heat seal strength in the vicinity of both end edges in the width direction of the transverse heat seal portion can be increased, and the heat seal strength at the center portion in the width direction can be appropriately controlled. The shortening of the time per unit length by heat-sealing the central portion in the width direction is such that the transverse heat seal portion 6 does not cause excessive heating of the resin, and the occurrence of resin accumulation can be suppressed. Moreover, since the sealing member 'with a uniform temperature distribution can be sealed for a relatively long period of time, it is possible to suppress evaporation of moisture of the impurities contained in the rail seal portion 6 or volume expansion due to the same. The generation of bubbles is also less likely to lead to peeling, and a good seal can be obtained. As described above, 'the rotational speed coffee _ of the hot dragon 25, although theoretically, it can be set to an arbitrary value', but for the following reasons, the rotational speed is within the range of one horizontal heat seal. . Heat-sealed Yukun 25, because of the rotation in a fixed direction, the rotation speed is 4 alpha. The peripheral speed of the outer peripheral surface 26 of the heat sealing member 24 is equal to or lower than the film A: the feed speed A, so Vl = Aegp, the rotational speed, "the heat sealing method according to the present embodiment is not a heat seal as in the patent document i. The positional distribution of the thermal conductivity of the outer peripheral surface of the member is obtained by the temporal distribution of the rapid heating of the heat-sealing member. For the transverse heat seal, the two ends of the width direction can be read: = the degree of localized heat distribution Therefore, of course, it is possible to prevent the lion from accumulating and sealing, and obtain a good seal, drop or _ stagnation. 100122386 21 201221424 are small or almost non-stable and can be packaged under stable conditions, and Since the temperature of the heat-sealing member is not in a state, the temperature of the heat-sealing member is controlled easily, and the heat sealing is performed, and even if the rotation of the heat-sealing stick of the tubular film 3 is increased, it is ensured that the temperature is sufficient. = The structure of the member is not complicated 'There is no heat-sealing member, and the same shape 膘 3 丨 迩 迩 被 被 被 被 被 被 被 被 被 被 被 被 被 被 , , , , , , , , , , , , 持 持 持 持The sum of the moving speed V2 of the heat sealing roller, ::= two The relationship of the equal speed A can make the difference in the relative speed of the heat-sealing member: 〇, and the outer surface of the heat-sealing member abuts the film 3, thereby "because it does not cause heat sealing or On the tubular film 3, a _W-like film is produced, which is 3 times; the month, 3 is conveyed, and the appearance of the heat-sealed portion is obtained, and the stable tubular film is ===;:: Y is the rotation speed of the heat 25 (3) The relationship between the timing of the heat-sealing member at the time of the transverse heat sealing, and the relationship between the speed of the tubular film and the speed of the lowering. The resistance speed of the heat-sealing roller 25 is fixed, and the movement is based on the movement of the __25. The two-bead snails are easy to control to fix the speed of 100122386 ^ 201221424, but each time the conversion is said to rotate in the forward and reverse directions, in order to make the motor temporarily stop and stop with a rapid stop, it is not a real speed. If you move up and down, you must move the speed up and down quickly. Fe T can't use the cam mechanism to achieve high clearance. Therefore, if the cam follower changes direction between the cam follower and the groove, the cam will change. The follower is made larger, so in the present invention, it is possible to perform high-speed up and down movements. The shaft 'moves the heat-sealing chain 25 up and down. The lower-moving and durable crankshaft moves due to the circular motion, and the movement of the heat _25 is converted into the angular velocity of the outer peripheral surface 26 of the linearly-sealed member 24. 25% of the moving speed of _ 'Because the control is αη = Α-%, so when the drop of 25 vl is fortunate, the falling speed V2 changes so that the speed α of the heat _ & The manner of the curve changes. However, when the heat seal member 25 returns to the position at the point between the start of the transverse heat seal shown in Fig. 1(b), the lower heat seal member 24 must be fitted to the tubular film 3 The lower portion is subjected to the horizontal heat sealing timing to cause the heat sealing roller & Therefore, it is difficult to change the rotational speed of the heat seal roller 25 in accordance with the change in the moving speed of the heat seal roller 25, which is not practical. Therefore, 'the inner film 3 is held in the inner door between the outer circumferential surfaces of the heat sealing member'. If the rotation speed of the heat sealing roller is fixed at least in the middle stage, the moving speed of the heat sealing roller is at least in the middle stage 100122386 23 201221424 Just fix it. If the dynamic speed is fixed, only the initial stage of the heat seal and the initial stage and the end stage of the heat seal of the Kunming will be detected in the middle stage, because the demon seal and the period can be used. In order to detect the heat 21, the rotating portion of the rotary drive source, etc., the heat seal roller 25, the mark of the width direction of the rotary shaft, the method of determining the heat seal member, the rotation of the rotary encoder, and the optical sensing It is easier to perceive the label. (4) The method of δ丨 angle is realized, and the right is easy. Therefore, at least in the heat sealing period, the outer circumferential surface 26 of the heat sealing member 24 is fixed in the speed or the pleats and the spleen film 3 are not slidable, and the heat can be changed. Small, or become not read _ 敎 Φ, the degree of unevenness of the sentence and, according to the material of the film 3 or the inside and under the heat sealing. The heat seal caused by the sundries is less defective, and the heat transfer of the heat seal roller 25 in the heat seal is caused by the heat transfer of the entire width of the width W of the portion (10). #变化, so it can be heat sealed under more stable conditions. When the height of 5 is small, when the processing speed of the heat sealing roller 25 is large, and when the rotation speed is small, when the horizontal heat sealing is completed, the heat sealing (4) (4) is the state before the horizontal heat sealing, and the state before the horizontal heat sealing is shown in Fig. 1 (4). Position: 'In order for the heat seal member 24 to be located at a heat-sealed portion below the tubular film 3, and the rising speed of the heat-sealing switch 25, the heat-sealing roller may be kept constant. If the head roll (4) is set to a speed, and the (4) is heat-sealed, the rotation speed of the heat sealing roller 25 is 100122386 24 201221424 degrees, so that the condition can be more stable, according to the above Heat sealing method applied to cross heat: heat sealing. In addition, as described above, in addition to the effect of preventing the accumulation of the square-filled square grease of the transverse heat seal portion, it is also possible to obtain a side-side heat-sealing of the tubular film 3 in addition to the suppression tree. It is possible to fill the effect of the evaporation of the water in the contents between the tubular film 3 and the tubular film 3: =. As a result, it is possible to produce a package having excellent drop strength or impact resistance with high productivity. However, the present invention has been described above with reference to the preferred embodiments, and the present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims. For example, in FIG. 4 and FIG. 5, a bag-filling of a two-direction seal bag in which three sheets of the film 1 are folded in the width direction and the bag 5 including the folded portion is heat-sealed is heat-sealed. Device. On the other hand, when the four-direction sealed bag which is heat-sealed in the four directions of the manufacturing bag 5 is formed, the side edges of the films may be adjacent to each other on both sides of the film by overlapping the two films. The heat sealing is performed longitudinally, and the contents are filled into the obtained cylindrical crucible and (4) the tubular film is subjected to transverse heat sealing. (Industrial Applicability) The present invention can be utilized for producing a package in which, for example, a content such as a liquid or a granule is sealed and filled in a bag. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic explanatory view showing a step of transversely heat-sealing a tubular film by a transverse heat sealing device, and (a) is an explanatory view showing a state before starting transverse heat sealing. , 0) is an explanatory diagram illustrating the point at which the horizontal heat seal is started. Fig. 2 is a schematic explanatory view showing a step of transverse heat sealing of a tubular film by a transverse heat sealing device, wherein (a) is an explanatory view showing a state in a process of transverse heat sealing, and (b) is a transverse heat. An illustration of the point at the end of the seal. 3 is a view for explaining the relationship between the abutting position of the heat sealing member and the rotation and descending speed of the heat sealing roller when the tubular film is transversely heat sealed, and (a) shows that the heat sealing member abuts against the transverse heat seal. The cylindrical shape of the position is _ front view, and (8) is a pattern diagram of the rotational circumferential speed and the descending speed of the heat seal. Fig. 4 is a schematic perspective view showing an example of a filling and packaging device. Fig. 5(4) is a front view of the filling and packaging device of Fig. 4, a sectional view of the SS line of #. In the stone (a), W is a table φ~ Ί~, ., , a..., a case of ^, and (b) shows an enlarged cross-sectional view of the transverse heat seal portion in which "resin accumulation" occurs. [Description of main component symbols] 1 Film 2 Side edge of film 3 Tube film 4 Vertical heat seal part 5 Bag 100122386 201221424 6 Cross heat seal part 6A (transverse heat seal part) part 7 Storage space 8 Resin accumulation 9 Crack 10 Longitudinal heat sealing device 11 ' 21 Rotary shaft 12 ' 22 Rotating body (roller body) 13 ' 23 Rotating body outer peripheral surface 14 ' 24 Heat sealing member 15 ' 25 Heat sealing roller 16 ' 26 Heat sealing member outer circumferential surface 17 ' 27 Position restricting member 18' 28 Position restricting member outer peripheral surface 20 transverse heat sealing device 30 heat sealing device 31 nozzle 32 discharge port α rotation speed r rotation radius θ center angle τθ length 100122386 27 201221424 A conveying speed L distance Pi ' P2 relative height SS section line Vi peripheral speed V2 falling speed (moving speed) w width X initial Y mid-term z end period 100122386 28 8