589272 玖、發明說明： 【發明所屬之技術領域】 本發明^於—種_身及其 種紙罐身l· 女〆^ + 无特另J疋4日一 種、.氏罐身上具有徑向突出的部位 5 度及立體效果，或者在^ "ο 日進、，、氏罐身結構強 1 〆 形成螺紋部的紙罐身及其製 w万法。 【先前技術】 10 15 2紙製容器通常包含：―紙罐身，以及各別安裝在 ::罐身頂端或底端的一金屬蓋或一金屬環圏。其中該紙 1的構造大致如圖1所示’包含：-圓筒狀之圍繞壁 父及由該圍繞壁11界定而出的中空軸道上述 圍繞壁11係由：數層内外捲包的捲包層13，以及一可印 刷圖案或商標的裝飾表層14所組成。組立後該圍繞壁u 具有—朝向中空軸道.12的内環面lu，以及—與該内環面 111同軸且間隔設置的外環面112。 20 為了製造如圖1所示之紙罐身i，在已知的技藝中係_ 利用一如圖2的捲繞機2來成型，上述捲繞機2包含：一 機台21，以及一自該機台21之一直立機壁211水平突出 的捲繞軸22，上述捲繞軸22並受到圖中未示出的傳動機 構傳動，而可沿著自身之一軸線212迴轉。 製造時驅動該捲繞轴22旋轉，並將三片紙板15、16、 17依序且父錯地斜繞在該捲繞軸2 2上，在結構強度的考 量下’該等紙板15、16、17的捲繞方式，以及和該捲繞 轴22間的傾斜角度有特定的限制，惟前述紙板π、ι6、 4 589272 17的捲繞方式及角度限制與本發明改良重點無關，以下不 再說明。當該等紙板15、16、17捲繞在該捲繞軸22上而 形成長條紙管後，再利用一裁切刀將長條紙管裁切成預定 長度，最後再於裁切後的紙管的表面黏貼該裝飾表層i 4， 即το成该紙罐身1的加工作業。具體而言··以往紙罐身工 在製造上包含··捲繞成型、裁切以及黏貼裝飾表層丨4等 加工步驟。 、，以往紙罐身1在設計上，固可藉由紙板15等之層層· 捲繞黏結，以及裁切、黏貼裝飾表層14等加工步驟間的 配口，來製造出一具有適當厚度的紙罐身1，但在製造後 該紙罐身1的内、外環面U1、112皆呈平整狀。此種内、 外％面111、112皆為平整的紙罐身i在設計上，不僅管 體在徑向方面的結構強度較差，容易在受到側向撞擊時變 形’整個紙罐身i也缺乏立體效果，在設計上未盡理想。 【發明内容】 〜本發明之目的係在提供一種具有立體效果，並可以提籲 鬲徑向結構強度之紙罐身及其製造方法。 本發明的另一個目的係在提供一種可以在罐口處形 成螺紋部，以供罐蓋螺合的紙罐身及其製造方法。 ^本發明之紙罐身包含：一圍繞壁，以及一由圍繞壁界 定而f的中空轴道’其中該圍繞壁上具有一朝向中空軸道 的内％面’以及一與該内環面同軸並内外間隔的外環面。 /本發明的特徵在於：該圍繞壁上更具有—徑向 扭凸單元，上述徑凸單元可為單環或多環的形式，亦可為 5 589272 圖：或者文字的形式，其可由圍繞壁的外環面往内環面徑 向突出，或者由圍繞壁的内環面往外環面徑向突出。藉該 #凸單元的設計’除了可以提高圍繞壁的結構強度及立體 效果外，當該徑凸單元鄰近紙罐身的—罐σ時更可形成一 供一罐蓋螺合的螺紋部。 本發明紙罐身的製造方法包含下述加工步驟： 成型紙管：該紙管具有該圍繞壁及中空軸道； 紙管定位； 合模； ® 加壓成型控凸單元··在紙管之圍繞壁上部份位置施予 壓力，以形成該徑凸單元； 洩壓；及 脫模。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之較佳實施例的詳細說明中，將可清楚鲁 的明白。 參閱圖3、4,本發明紙罐身3之第一較佳實施例包含: 一紙製圍繞壁31，以及一由該圍繞壁31界定而成的中空 軸道32，其中該圍繞壁31亦由數個捲包層311以及一裝 飾表層312組立而成，組立後該圍繞壁31上具有一朝向 中空軸道32並圍繞一中心軸線設置的内環面313、一與該 内環面313同軸且間隔設置的外環面314，以及一徑向突 出的徑凸單元315。在本實施例，該徑凸單元315為兩環 6 589272 上下間隔並由内環面313往外環面314突出的突環形式。 藉該等突環形式之徑凸單元315的形成，不僅可增進圍繞 壁31的結構強度，亦可使紙罐身3具有立體效果。 參閱圖5、6，本發明第一較佳實施例之紙罐身3在製 造時包含··成型紙管、紙管定位、合模、加壓成型徑凸單 元、洩壓、脫模及取出成品等步驟。其中該成型紙管的步 驟係利用如圖2所示的捲繞機來成型，成型後該紙管 包含該圍繞壁31及中空軸道32,在該圍繞壁31上亦具有 同軸設置之内、外環面313、314,由於利用捲繞機來形成φ 該紙管30為已知技術，以下不再說明。在本發明中其餘 步驟係在一圖6所示的定型裝置4中進行。 參閱圖6、7,本發明所使用之定型裝置4包含··一基 座4卜一可在一閉模位置及一開模位置間轉換的模具42、 一位在基座41之一平台411上並被該模具42包覆的變形 模仁43，以及一可施予該變形模仁43變形作用力之加壓 早兀44。其中該模具42係由兩可左右對合或分開的模塊籲 421所組成，該等模塊421並具有一組立出一模穴的模壁 422,該模壁422上凹設兩環上下間隔之徑凸定型部似。 而該變形模仁43為可變形之實心橡膠圓柱體，其中變形 模仁43之外徑D1小於模壁422的内徑D2，其高度H1則 大於該模具42的高度H2，其中外徑D1與内徑D2間的差 值，正好等於該紙罐身3之圍繞壁31的厚度w。 配合圖8，本發明之定型裝置4在使用時，首先讓模 具42位在圖6的開模位置，然後將紙管3〇套設在變形模 7 仁43上’並使變形模仁43位在紙管30的中空軸道32内， -以執行紙管30的定位步驟。之後使模具42㈣6的開模 位置轉換到圖7的閉模位置，以執行合模之步驟。然後該 加壓單元44由圖7的-未加壓位置下移到圖8的一加壓 位置，藉此下壓該變形模仁43，當變形模仁43受到抵壓 導致高度縮小時，該變形模仁43將會徑向外擴變形，並 使得紙管30之圍繞壁31外擴往模具42之模壁似貼合， 由於該模具42之模壁422上設有兩環徑凸定型部423，因 此受到徑向外撐之圍_ 31上對應該徑紋型部奶的 位置，會往徑向外端外擴，並形成該徑凸單元315。亦即， 執行加壓成型徑凸單元315的步驟。成型後該加壓單元44 會由圖8的加麼位置轉換到圖7的非加麼位置，使得變形 模仁43由圖8的—變形位置恢復到圖7的-非變形位置， 以執行㈣的步m變形模仁43恢復到非變形位置， 且輪具42執行脫模的步驟時，加工完成之紙罐身3即可 被取出，而完成整個加工的步驟。 參閱圖9’本發明紙罐身3之第二較佳實施例亦包含： 一圍繞壁31及-中空轴道32,其中該圍繞壁3ιι亦呈有 ―内二面313、一外環面314 ’以及一徑向突出的 =二發明第二實施例與第一實施例的差別在於·該 314一::例之徑凸單元315為單環的形式，其係由外環面 <内環面3U徑向突出，藉該 的改變，同樣可以達到預期的目的。 -出方向 配合圖1〇、11，本發明第二較佳實施例的紙罐身3在 10 製造時’其加工步騍亦包含··成型紙管30、紙管30定位、 σ模、加壓成型從凸單元315、洩壓、脫模及取出成品等 H其中該紙管3〇 &了可如圖2所示者利用一捲繞機 來成型外，亦可如申請人前所申請之公告編號第357699 &新型專利般’將數片等長的捲片層311沿著同-軸線作 捲繞，此種加工方式可以形成非圓形截面的紙管30。除了 =成型紙官30的步驟外，其餘的步驟皆是由圖丨Q之定型 #置4來執行’上述定型裝置4亦包含：-基座41、-模< 八 文形模仁43以及一加壓單元44。其中，該模具 42上更具有—位在模壁422上方的底壁424，以及一朝下 之開口 425 ’上述模具42的徑凸定型部423則為往中央突 ㈣=圈狀。而該變形模仁43囊袋的設計，其具有 中工的充填至431，該加壓單元44則包括與該充填室 15 接連之A填官441及-排浪管442。當然該充填管 441與排洩管442亦可為同一支管體。 20 “亥义型袭置4在使用時，同樣將紙管30安置在模t 壁422間，且將囊袋形式的變形模仁43置放在紙管30之 中空軸道32内部，以執行紙管30的定位步驟，之後使模 /、42位在閉拉位置以執行合模的動作，然後由充填管⑷ ㈣如：氣體、液體等介質灌入該充填室4心，以執行 加壓成型徑凸單元315的步驟。當變形模仁“的充填室431 内部充滿介質時，可以徑向頂撐咖符 具42之模壁422的们4： i # ^ 部423為突出的”、’於該模壁422上之徑凸定型 〇t因此加壓定型後之圍繞壁31上會 9 589272 形成由外環面314往内環面313徑向突出的徑凸單元 315 °最後使充填室431内的介質經由排洩管442排出， 且使模具42轉換到開模位置，即可逐步地進行洩壓、脫 模及取出成型品等加工步驟。 參閱圖12 ’本發明紙罐身3之第三較佳實施例的構造 大致上相同於第一實施例，而包含：圍繞壁3 1、中空軸道 32、内環面313，外環面314及徑凸單元315，本實施例 與第一實施例的差別在於：該徑凸單元315係為圖案及文鲁 字的形式，藉該徑凸單元315形式的改變，同樣可以達到 預期的發明目的。 參閱圖13,本發明紙罐身3的第四較佳實施例亦大致 相同於第一實施例，而包含：圍繞壁31、中空軸道32、 内％面313、外環面314及徑凸單元315。本實施例與第 貫靶例的差別在於：該紙罐身3之中空軸道32上具有 位在上方的罐口 32丨，而該徑凸單元315是設在圍繞壁 31上鄰近該罐口 321的位置，藉此在紙罐身3上設置一螺籲 紋部’以供一圖中未示出的罐蓋螺裝。 在設計上，本發明之紙管3〇並不以利用圖2之捲繞 機來成型為必要，其亦可利用各種形狀之模具，將該等捲 ^層311 一地黏貼包覆其上，因此，本發明所製成之紙 罐身3的截面並不以圓形為必要。 由以上說明可知，本發明所揭露的紙罐身3,以及成 型該紙罐身3的製造方法，不僅未見於以往紙製容器的設 十上曰瓜凸單疋315位在紙罐身3上時具有立體效果及 10 5 开:佳=構使紙罐身3在受到側向撞擊力時不易變 t而0凸单元315鄰近中空轴道32的罐口321時， 2成為供罐蓋螺合的螺紋部，以方便該罐蓋安裝，故本 X忒項设計不僅新穎，更極具產業上利用性。 【圖式簡單說明】 10 圖1是一種習知紙罐身的剖視放大圖； 圖2是一捲繞機的側視示意圖，說明該習知紙罐身的 製造方式； 圖3疋本發明紙罐身之第一較佳實施例的立體圖； 圖4疋ά亥較佳貫施例之一剖視放大圖； 15 么惟以上所述者，僅為本發明型之較佳實施例而已，當 不^以此限定本新型實施之，即大凡依本發明申請專 利乾圍及發明說明書内容所作之簡單的等效變化與修 飾，皆應仍屬本發明專利涵蓋之範圍内。 圖5是該較佳實施例之一製造流程圖； 圖6疋一疋型裝置的立體分解示意圖，顯示用來成型 第一實施例之紙罐身的定型裝置； 圖7是圖6中該定型裝置之一剖視示意圖，圖中該定 型裝置之一加·壓單元位在一未加壓位置； 圖8是一類似圖7的剖視示意圖，圖中該定型裝置之 加壓單元位在一加壓位置； 圖9是本發明紙罐身之第二較隹實施例的一剖視放大 圖10是一類似圖6的剖視示意圖，圖中該成型裝置 20 /2 係用來成型該第二較佳實施例之紙罐身，上述成型裝置的 一變形模仁位在一未變形位置； 圖11疋一類似圖1 〇的剖視示意圖，圖中該成型裝置 的變形模仁位在一變形位置； 圖12是本發明紙罐身笼一 ’牙 < 第二較佳實施例的一立體 圖；及 圖13是本發明紙罐身 身之第四較佳貫施例的一未完整 剖視圖。 12 589272 【圖式之主要元件代表符號說明】 3 紙罐 411 平台 30 紙管 42 模具 31 圍繞壁 421 模塊 311 捲包層 422 模壁 312 裝飾表層 423 徑凸定型部 313 内環面 424 底壁 314 外環面 425 開口 315 徑凸單元 43 變形模仁 32 中空軸道 431 充填室 321 罐口 44 加壓單元 4 定型裝置 441 充填管 41 基座 442 排洩管589272 发明 Description of the invention: [Technical field to which the invention belongs] The present invention ^ in a kind of _ body and a kind of paper can body l · female 〆 ^ + without special J 疋 4th type,. The can body has a radial protrusion Part of the paper can body with 5 degrees and three-dimensional effect, or ^ " ο Nisshin ,,, and Shi's can body structure is 1 〆 stronger to form a threaded portion and its manufacturing method. [Prior art] 10 15 2 Paper containers usually include:-a paper can body, and a metal lid or a metal ring respectively installed on the top or bottom of the :: can body. The structure of the paper 1 is roughly as shown in FIG. 1 'including:-a cylindrical surrounding wall parent and a hollow axis defined by the surrounding wall 11 The above surrounding wall 11 is composed of several layers of rolls wrapped inside and outside The cladding layer 13 and a decorative surface layer 14 capable of printing patterns or trademarks. After assembling, the surrounding wall u has—an inner annular surface lu facing the hollow axial channel .12, and—an outer annular surface 112 coaxially and spaced from the inner annular surface 111. 20 In order to manufacture the paper can body i as shown in FIG. 1, in a known technique, it is formed by a winding machine 2 as shown in FIG. 2. The winding machine 2 includes: a machine 21, and a A winding shaft 22 protruding horizontally from the upright wall 211 of the machine 21 is driven by a transmission mechanism not shown in the figure, and can rotate along one of its own axes 212. During manufacture, the winding shaft 22 is driven to rotate, and three pieces of cardboard 15, 16, 17 are sequentially and staggeredly wound on the winding shaft 22, taking into consideration the structural strength of the cardboards 15, 16 There are specific restrictions on the winding method of 17 and the inclination angle with the winding shaft 22. However, the winding method and angle limitation of the aforementioned cardboard π, ι6, 4 589272 17 have nothing to do with the focus of the improvement of the present invention. Instructions. After the paperboards 15, 16, and 17 are wound on the winding shaft 22 to form a long paper tube, the long paper tube is cut to a predetermined length by a cutting knife, and finally, The surface of the paper tube is adhered to the decorative surface layer i 4, that is, το is a processing operation of the paper can body 1. Specifically, the conventional paper can body worker includes manufacturing steps such as winding molding, cutting, and adhering the decorative surface. In the past, the design of the paper can body 1 can be made by the layers of the cardboard 15 and other layers, winding and bonding, and cutting and pasting the decorative surface layer 14 to produce a suitable thickness. The paper can body 1, but the inner and outer circumferential surfaces U1 and 112 of the paper can body 1 are flat after manufacturing. This kind of paper can body i whose inner and outer surfaces 111 and 112 are flat. In design, not only the structural strength of the pipe body in the radial direction is poor, but it is easy to deform when subjected to lateral impact. The entire paper can body i is also lacking. The three-dimensional effect is not ideal in design. [Summary of the Invention] The purpose of the present invention is to provide a paper can body having a three-dimensional effect and capable of enhancing the strength of a radial structure and a manufacturing method thereof. Another object of the present invention is to provide a paper can body capable of forming a threaded portion at a mouth of the can for screwing the can lid and a method for manufacturing the same. ^ The paper can body of the present invention includes: a surrounding wall, and a hollow shaft channel 'f' defined by the surrounding wall, wherein the surrounding wall has an inner surface facing the hollow shaft channel, and a coaxial with the inner ring surface And the outer torus spaced inside and outside. / The present invention is characterized in that the surrounding wall further has a radial torsion convex unit, which can be in the form of a single ring or multiple rings, or 5 589272. Figure: or the form of text, which can be surrounded by the wall The outer toroidal surface protrudes radially toward the inner toroidal surface, or from the inner toroidal surface surrounding the wall to the outer toroidal surface. In addition to the design of the #convex unit, in addition to improving the structural strength and three-dimensional effect of the surrounding wall, when the diameter-convex unit is adjacent to the can of the paper can body-can σ, a threaded portion for screwing a can lid can be formed. The manufacturing method of the paper can body according to the present invention includes the following processing steps: forming a paper tube: the paper tube has the surrounding wall and a hollow shaft; paper tube positioning; mold clamping; ® pressure forming convex control unit ... Pressure is applied around a portion of the wall to form the diameter convex unit; pressure relief; and demolding. [Embodiment] The foregoing and other technical contents, features, and effects of the present invention will be clearly understood in the following detailed description of preferred embodiments with reference to the drawings. 3 and 4, the first preferred embodiment of the paper can body 3 of the present invention includes: a paper surrounding wall 31, and a hollow shaft channel 32 defined by the surrounding wall 31, wherein the surrounding wall 31 is also It consists of a number of wrap layers 311 and a decorative surface layer 312. After the assembly, the surrounding wall 31 has an inner ring surface 313 facing the hollow shaft channel 32 and a central axis, and a coaxial with the inner ring surface 313. The spaced-apart outer ring surfaces 314 and a radially protruding radial convex unit 315 are provided. In this embodiment, the radial convex unit 315 is in the form of a protruding ring with two rings 6 589272 spaced up and down and protruding from the inner ring surface 313 to the outer ring surface 314. The formation of the diameter-convex units 315 in the form of these protruding rings can not only enhance the structural strength of the surrounding wall 31, but also make the paper can body 3 have a three-dimensional effect. Referring to Figures 5 and 6, the paper can body 3 of the first preferred embodiment of the present invention includes, during manufacturing, forming a paper tube, positioning of the paper tube, mold clamping, pressure-molding diametrically convex unit, pressure relief, demolding, and taking out Finished product steps. The step of forming the paper tube is performed by using a winding machine as shown in FIG. 2. After forming, the paper tube includes the surrounding wall 31 and the hollow shaft channel 32. The surrounding wall 31 also has a coaxial arrangement, Since the outer toroids 313 and 314 are formed using a winder to form φ, the paper tube 30 is a known technique and will not be described below. The remaining steps in the present invention are performed in a sizing device 4 shown in FIG. Referring to FIGS. 6 and 7, the setting device 4 used in the present invention includes a base 4 and a mold 42 that can be switched between a closed mold position and an open mold position, and a platform 411 on the base 41. The deformed mold core 43 which is covered by the mold 42 and a pressurizing element 44 which can apply the deformation force of the deformed mold core 43. The mold 42 is composed of two modules 421 that can be aligned or separated left and right. These modules 421 have a set of mold walls 422 that define a cavity. The mold wall 422 is recessed with a diameter of two rings. Convex shaped part. The deformed mold core 43 is a deformable solid rubber cylinder. The outer diameter D1 of the deformed mold core 43 is smaller than the inner diameter D2 of the mold wall 422, and the height H1 is greater than the height H2 of the mold 42. The outer diameter D1 and The difference between the inner diameters D2 is exactly equal to the thickness w of the surrounding wall 31 of the paper can body 3. With reference to FIG. 8, when the setting device 4 of the present invention is in use, the mold 42 is first positioned at the mold opening position of FIG. 6, and then the paper tube 30 is set on the deformation mold 7 and 43 ′, and the deformation mold is 43 dimensional. Within the hollow shaft channel 32 of the paper tube 30-to perform the positioning step of the paper tube 30. Thereafter, the mold opening position of the molds 42㈣6 is switched to the mold closing position of Fig. 7 to perform the mold clamping step. Then, the pressing unit 44 is moved from the un-pressurized position in FIG. 7 to a pressurized position in FIG. 8, so that the deformed mold core 43 is pressed down. When the deformed mold core 43 is compressed, the height is reduced, the The deformed mold core 43 will expand outward and deform radially and make the surrounding wall 31 of the paper tube 30 expand to the mold wall of the mold 42. The mold wall 42 of the mold 42 is provided with two ring-shaped convex shaped portions. 423, so it is surrounded by the radial outer brace _ 31, which corresponds to the position of the radial pattern part milk, will expand outward to the radial outer end and form the radial convex unit 315. That is, the step of press-molding the radial convex unit 315 is performed. After molding, the pressing unit 44 is switched from the plus position in FIG. 8 to the non-addition position in FIG. 7, so that the deformed mold core 43 is restored from the —deformed position in FIG. 8 to the —non-deformed position in FIG. 7 to perform ㈣ When the step m of the deformed mold core 43 is restored to the non-deformed position, and the wheel 42 performs the step of demolding, the processed paper can body 3 can be taken out, and the entire processing step is completed. Referring to FIG. 9 ', the second preferred embodiment of the paper can body 3 of the present invention also includes: a surrounding wall 31 and a hollow shaft 32, wherein the surrounding wall 3m also has ―inner two surfaces 313, and an outer annular surface 314‖. 'And a radially protruding = second invention. The difference between the second embodiment and the first embodiment is that the 314 :: The diameter convex unit 315 is in the form of a single ring, which is formed by the outer ring surface < The surface 3U protrudes radially. With this change, the expected purpose can also be achieved. -With the direction shown in Figs. 10 and 11, the paper can body 3 of the second preferred embodiment of the present invention at the time of manufacture 10 also includes processing steps for forming the paper tube 30, the positioning of the paper tube 30, the σ die, and the Compression molding from the convex unit 315, pressure relief, demoulding, and removal of the finished product, etc. Wherein the paper tube 30 & can be formed using a winder as shown in Figure 2, or as previously applied by the applicant Announcement No. 357699 & New patent-like 'winding a number of equal length roll layers 311 along the same-axis, this processing method can form a paper tube 30 with a non-circular cross section. Except for the steps of forming the paper officer 30, the rest of the steps are performed by the setting # 4 of the figure 丨 Q. The above-mentioned setting device 4 also includes:-the base 41,-the mold < A pressurizing unit 44. Among them, the mold 42 further has a bottom wall 424 located above the mold wall 422 and a downward opening 425 ′. The diameter-shaped convex shaped portion 423 of the mold 42 is projected toward the center. And the design of the deformed mold core 43 bag has a filling of 431 to the middle worker, and the pressurizing unit 44 includes an A-filler 441 and a wavy tube 442 connected to the filling chamber 15. Of course, the filling pipe 441 and the drain pipe 442 may be the same pipe body. 20 "In the case of the Haiyi type attack device 4, the paper tube 30 is also placed between the mold t wall 422, and the deformed mold core 43 in the form of a bag is placed inside the hollow shaft 32 of the paper tube 30 to perform The positioning step of the paper tube 30, and then the mold /, 42 is in the closed and closed position to perform the mold clamping action, and then the filling tube ⑷ such as: gas, liquid and other media are filled into the filling chamber 4 to perform pressurization The step of forming the diameter convex unit 315. When the filling chamber 431 of the deformed mold core is filled with the medium, the mold wall 42 of the coffee charm 42 can be supported radially 4: i # ^ 部 423 is protruding ", ' The convex shape on the mold wall 422 is 0t. Therefore, the surrounding wall 31 after pressure setting will form 9 589272. A convex unit 315 ° protruding radially from the outer ring surface 314 to the inner ring surface 313 will finally make the filling chamber 431. The internal medium is discharged through the drain pipe 442, and the mold 42 is switched to the mold opening position, and the processing steps such as pressure relief, mold release, and removal of the molded product can be gradually performed. See FIG. 12 'The third of the paper can body 3 of the present invention The structure of the preferred embodiment is substantially the same as the first embodiment, and includes: The axial channel 32, the inner annular surface 313, the outer annular surface 314, and the radial convex unit 315. The difference between this embodiment and the first embodiment is that the radial convex unit 315 is in the form of a pattern and a Wenru word. The change of the form of the unit 315 can also achieve the intended purpose of the invention. Referring to FIG. 13, the fourth preferred embodiment of the paper can body 3 of the present invention is also substantially the same as the first embodiment, and includes: a surrounding wall 31, a hollow axis 32. The inner surface 313, the outer annular surface 314 and the diameter convex unit 315. The difference between this embodiment and the first target is that the hollow shaft channel 32 of the paper can body 3 has a can opening 32, which is located above, The diameter-convex unit 315 is disposed on the surrounding wall 31 adjacent to the can opening 321, so that a screw thread portion ′ is provided on the paper can body 3 for a can lid not shown in the figure. In design, the paper tube 30 of the present invention is not necessary to be formed by using the winding machine of FIG. 2, and it can also use various shapes of molds to adhere the roll ^ layer 311 and cover it. Therefore, the cross section of the paper can body 3 made by the present invention does not need to be circular. As can be seen from the above description, the present invention The disclosed paper can body 3 and the manufacturing method for molding the paper can body 3 are not only not seen in the conventional paper container design. The melons 315 have a three-dimensional effect when placed on the paper can body 3 and 10 5 Open: good = structure makes the paper can body 3 difficult to change when subjected to a lateral impact force, and when the 0 convex unit 315 is adjacent to the mouth 321 of the hollow shaft 32, 2 becomes a threaded portion for screwing the lid The tank cover is installed, so this X item design is not only novel, but also very industrially applicable. [Simplified illustration of the drawing] 10 Figure 1 is an enlarged sectional view of a conventional paper can body; Figure 2 is a winding A schematic side view of the machine, illustrating the manufacturing method of the conventional paper can body; Fig. 3 is a perspective view of the first preferred embodiment of the paper can body according to the present invention; Fig. 4 is a sectional enlarged view of one of the preferred embodiments Figure 15 What is mentioned above is only a preferred embodiment of the present invention. If this is not used to limit the implementation of the new model, that is, what is simply done according to the patent application of the present invention and the contents of the description of the invention Equivalent changes and modifications should still fall within the scope of the invention patent. FIG. 5 is a manufacturing flowchart of one of the preferred embodiments; FIG. 6 is a schematic exploded perspective view of a type-shaped device, showing a setting device used to form the paper can body of the first embodiment; FIG. 7 is the setting device of FIG. 6 A schematic cross-sectional view, in which one of the sizing device's pressurizing unit is in an unpressurized position; FIG. 8 is a schematic cross-sectional view similar to FIG. 7, in which the sizing device's pressurizing unit is in one plus FIG. 9 is an enlarged cross-sectional view of a second comparative embodiment of the paper can body of the present invention. FIG. 10 is a schematic cross-sectional view similar to FIG. 6. The molding device 20/2 is used to mold the second In the paper can body of the preferred embodiment, a deformed mold core of the above molding device is in an undeformed position; FIG. 11A is a schematic cross-sectional view similar to FIG. 10, and the deformed mold core of the molding device is in a deformed position; Position; FIG. 12 is a perspective view of the second preferred embodiment of the paper can body cage of the present invention; and FIG. 13 is an incomplete cross-sectional view of the fourth preferred embodiment of the paper can body of the present invention. 12 589272 [Description of the main symbols of the drawings] 3 Paper cans 411 Platform 30 Paper tube 42 Mould 31 Surrounding wall 421 Module 311 Roll cladding 422 Moulding wall 312 Decorative surface 423 Convex shaped part 313 Inner ring surface 424 Bottom wall 314 Outer annulus 425 opening 315 diameter convex unit 43 deformed mold core 32 hollow shaft 431 filling chamber 321 tank opening 44 pressurizing unit 4 shaping device 441 filling pipe 41 base 442 drain pipe
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