1 ο u Α7 __ Β7_ 五、發明説明（I ) 本發明為一種管狀超輕實心複合材料之支架製造方法 ，主要提供一種可增進強度、提升品質之管狀超輕實心複 合材料之支架製造方法。 按’由於碳纖維複合材料具有質輕的特性，因此廣泛 應用於跑車型的自行車車架、航太工業、.醫療器材 '甚至 於高級網球拍及羽毛球拍等，而碳纖維複合材料之製造方 法係如第六圖所示地先將預浸有樹脂的碳纖維複合材料布 (或疋塗佈有黎著劑的碳纖維複合材料布）經由滾捲成管 置模、吹氣及加熱等步驟製成，其係將薄片狀的碳纖維 複合材料布捲成管狀的碳纖維複合材料層（8 Q )，而後 置入如第七圖所示之模具（9 0 )的模穴（9 1 )内，接 著由碳纖維複合材料層（8 〇 )中心吹入高壓空氣，使碳 纖維複合材料層（8 0 )向模穴（9 1 )内壁撐開，同時 對模具（9 0 )加熱，使黏著劑融熔而將各層的碳纖維複 合材料層（8 0)黏合成一體，即可形成超輕型的管狀支 架，然而此種超輕型管狀支架卻具有其無法克服之缺失， 譬如： / 經濟部中央標隼局貝工消費合作杜印«. 1.不良率高：由於碳纖維複合材料層係於滚捲成管 狀之後才置入模具之模穴内，並利用高壓充氣的方式使各 層碳纖維複合材料層貼合，然而卻經常因為充氣不均勻的 問題’使碳纖維複合材料層的貼合不完全，致使各複合材 料層無法緊密貼合而產生不良品，導致製造成本的増加。 2 .強度不足：由於其内部係呈中空狀，僅利用周圍 多層之碳纖維複合材料層來支擇，故其強度較差。 3 本紙張尺度適用中國國家標準（CNS) Α4規格（210Χ297公釐） A7 B7 五、發明説明（2) 3 -危險性高：當這種超輕型管狀支架製成 架時’自行車騎乘於顛跛路面會受到振力，而 =度不足’常常無法負荷振力而斷裂，造成騎乘:: 車的危險性。 订 >有鑑於前述傳統式中空之超輕型管狀支架具有不 尚、強度不佳及危險性高等缺失，於是有業者設計一種實 心的管狀支架，其係在碳纖維複合材料加熱成型後，再於 其中空的内部注入PU發泡劑，並使其發泡成型，即使管 狀支架内部具有發泡層，以增進其結構強度。 前述具有發泡層之實心管狀支架雖然強度較佳，然而 由於發泡劑於發泡時是呈不規職，形成不規則的空隙， 不能完全密合，且當發泡空間越大時，其形成空隙的機會 就越大，導致管狀支架長期受到振力之後而產生剝離的現 象，以致於使用的過程中產生噪音，亦會減弱其強度，影 響產品的品質’無法提升其附加價值。 經濟部中央標準局貝工消费合作社印策 另一方面，當發泡劑注入時，兩液之p U發泡劑常因 發泡劑流量控制不精確，而使兩液/之吐出量未能達反應的 比例值’常導致填充的發泡體於瞬時或—段時間，因比例 不均產生自然收縮變形之現象’造成發泡體與架體間形成 中空’使其密合性出現問題，進而造成無法達預期之強度 而有鑑於上述中空之管狀支架’以及填充有發泡體之 實心的管狀支架的缺失，本發明者即著手創作，擬設計一 種可以改進前述缺失之管狀超輕實心複合材料之支架製造 本紙張尺度適用中國國家標準（CNS ) A4规格（21〇Χ297公釐} 經濟部中央標準局貝工消费合作社印策 ^48 10 0 A7 ___E____-— 五、發明説明（3) 方法，經過多次試作，終得效果卓越之本發明。 緣是，本發明主要目的在於提供—種管狀超輕實心複 合材料之支架製造方法，其係先將p u發泡劑預先製成材 .料塊’再裁切成鄰近支架外緣形狀之pu蕊材，並將pu 蕊材置於模具具有發泡劑的模穴内，使p u蕊材外緣形成 發泡層’並於彼覆碳纖維複合材料層後，置模加熱使發泡 層與碳纖維複合材料層’經由上述製成材料塊'裁切、置 料、發泡、披覆、置模及加熱等步驟，形成内部具填充材 的官狀支架’有效提升管狀支架的強度，增進騎乘時之安 全性。 為使貴審查委員能進一步瞭解本發明之製造流程及 其他目的，茲以較佳實施例及附圖詳細說明如后： (一）圖示部份： 第一圖係本發明之製造流程圖。 第二圖係本發明之製成材料塊、裁切及置料等部份製造過 程示意圖。 第三圖係本發明置模的斷面示意圖。 第四圖係本發明披覆碳纖維複合材料的外觀示意圖。 第五圖係本發明置模加熱的斷面示意圖。 第六圖係習用管狀支架的製造流程圖。 第七圖係習用管狀支架置模加熱的剖面示意圖。 (—)圖號部份： (1 )材料塊 （1’ ο ) p u蕊材 (2 0 )膨脹材料 （3 0 )模具 本紙it尺度適用中國國家標準（CNS ) A4規格（210X297公釐） (請先閱讀背面之注意事項再填寫本萸) ''裝. 訂1 ο u Α7 __ Β7_ V. Description of the Invention (I) The present invention is a method for manufacturing a stent of a tubular ultra-light solid composite material, and mainly provides a method for manufacturing a stent of a tubular ultra-light solid composite material which can improve strength and quality. According to 'Because carbon fiber composite materials have lightweight characteristics, they are widely used in sports car-type bicycle frames, aerospace industry, medical equipment' and even high-end tennis rackets and badminton rackets. The manufacturing methods of carbon fiber composite materials are As shown in FIG. 6, a carbon fiber composite material cloth pre-impregnated with a resin (or a carbon fiber composite material cloth coated with a dispersant) is rolled through a tube to be set, blown, and heated. The sheet-like carbon fiber composite material cloth is rolled into a tubular carbon fiber composite material layer (8 Q), and then placed in a cavity (9 1) of a mold (90) shown in FIG. 7, followed by carbon fiber composite High pressure air is blown into the center of the material layer (80), so that the carbon fiber composite material layer (80) is stretched toward the inner wall of the cavity (91), and at the same time, the mold (90) is heated, so that the adhesive is melted and the layers are melted. The carbon fiber composite material layer (80) is glued together to form an ultra-light tubular support. However, this ultra-light tubular support has its insurmountable shortcomings, such as: Du Yin «. 1. High defect rate: Because the carbon fiber composite material layer is placed in the cavity of the mold after being rolled into a tube, and the high-pressure inflation method is used to make the carbon fiber composite material layers adhere, but it is often caused by inflation. The problem of non-uniformity makes the bonding of the carbon fiber composite material layer incomplete, resulting in failure of the composite material layers to closely adhere, resulting in defective products, leading to an increase in manufacturing costs. 2. Insufficient strength: Because its internal system is hollow, it is only selected by surrounding multiple layers of carbon fiber composite material, so its strength is poor. 3 This paper size applies to Chinese National Standard (CNS) A4 specification (210 × 297 mm) A7 B7 V. Description of the invention (2) 3-High risk: When this ultra-light tubular support is made into a frame跛 The road surface will be subject to vibration force, and = insufficient degree 'often fails to bear the vibration force and breaks, resulting in the danger of riding :: car. Order > In view of the lack of the traditional hollow ultra-light tubular stent, which is lacking in strength, high strength, and high danger, some people have designed a solid tubular stent, which is heated and shaped in a carbon fiber composite material, and then placed in it. PU foaming agent is injected into the empty interior, and it is foam-molded, even if there is a foaming layer inside the tubular stent to improve its structural strength. Although the aforementioned solid tubular stent with a foaming layer has better strength, the foaming agent is irregular when foaming, forming irregular voids, and cannot be completely closed. When the foaming space is larger, its The greater the chance of forming voids, leading to the phenomenon of peeling of the tubular stent after being subjected to vibration for a long time, so that noise is generated during use, which will also weaken its strength and affect the quality of the product. 'It cannot increase its added value. On the other hand, when the foaming agent is injected, the p U foaming agent of the two liquids is often inaccurate due to the inaccurate flow control of the foaming agent. The proportion value of the reaction 'often causes the foam to be filled instantaneously or for a period of time, and the phenomenon of natural shrinkage and deformation due to uneven proportions' causes the formation of a hollow between the foam and the frame, which causes problems in adhesion. In addition, due to the inability to achieve the expected strength, in view of the above-mentioned hollow tubular stent 'and the lack of a solid tubular stent filled with foam, the inventor set out to create a tubular ultra-light solid composite that can improve the aforementioned lack. Materials for the manufacture of brackets This paper is in accordance with Chinese National Standards (CNS) A4 (21〇 × 297 mm), printed by the Central Bureau of Standards of the Ministry of Economic Affairs, Shellfish Consumer Cooperatives, ^ 48 10 0 A7 ___ E ____-— V. Description of Invention (3) Method After several trials, the present invention has excellent effect. The reason is that the main purpose of the present invention is to provide a method for manufacturing a tubular ultra-light solid composite stent. The pu foaming agent is made into a material in advance. The block is then cut into a pu core material adjacent to the shape of the outer edge of the bracket, and the pu core material is placed in the cavity of the mold with a foaming agent to form the outer edge of the pu core material After the foamed layer is coated with the carbon fiber composite material layer, the mold is heated so that the foamed layer and the carbon fiber composite material layer are cut, filled, foamed, covered, molded, and heated through the above-mentioned material blocks. And other steps to form an official stent with filling material inside to effectively increase the strength of the tubular stent and improve the safety during riding. In order for your review committee to better understand the manufacturing process and other purposes of the present invention, it is better implemented. The details of the examples and drawings are as follows: (1) The illustrated part: The first figure is the manufacturing flow chart of the present invention. The second figure is the manufacturing process of the material block, cutting and material placing according to the present invention. Schematic diagram. The third diagram is a schematic diagram of the cross section of the mold set of the present invention. The fourth diagram is a schematic diagram of the appearance of the coated carbon fiber composite material of the present invention. The fifth diagram is a schematic view of the section of the present invention. Manufacturing flow chart of bracket The seventh figure is a schematic sectional view of the conventional tubular bracket for mold heating. (—) Drawing number part: (1) material block (1 'ο) pu core material (2 0) expansion material (3 0) mold This paper is applicable to it scale China National Standard (CNS) A4 specification (210X297 mm) (Please read the notes on the back before filling in this card) '' Pack. Order
^ ^ D ! U J A7 B7 ---------* ' ------ 五、發明説明) (3 1 )上模 （3 1 1 ) (3 2 1 )模穴 (32)下模 （40)離型膜 、 (5 0 )發泡層 （6 0 )碳纖維複合材料布 (6 1 )碳纖維複合材料層 （7 0 )模具 (7 1 )上模 （7 2 )下模 (8 0 )碳纖維複合材料層 （9 0 )模具 (9 1 )模穴 為改善前述習用中空的管狀支架及具有發泡體之實 心管狀支架的缺失，本發明特提出如第一圖所示之管狀超 輕實心複合材料之支架製造方法，其主要包含有製成材料 塊、裁切、置料、發泡、披覆、置模及加熱等步驟，製成 内含填充材料的管狀超輕實心複合材料之支架，其製造谅 程則詳述如后： 製成材料塊：請同時參閱第二圖所示，以密度約為 03g/cm 3的硬質聚敗酯（polyurethane 以下簡稱p ^ 經濟部中央標準局員工消費合作社印装 )發泡體發泡成材料塊（1 )，該材料塊（1 )於充分變 形後’可供切裁成所需之桿狀P 材（1 〇 )，例如倘 要製成車架’即預先裁切成車架之形狀，若要製成網球拍 ，即裁切成網拍框之形狀； 裁切：將材料塊（1 )裁成p u蕊材（1 〇 )，且 PU蕊材（1 0)的斷面係裁切成近似欲成形之管狀支架 外形，譬如欲成形之管狀支架為橢圓形，即將plJ蕊材（ 1 0 )之斷面裁切成近似橢圓形之多邊形，若欲成形之管 狀支架為圓形管體，即將PU蕊材（1 0)裁切成正六邊 6 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 經濟部中央標準局員工消費合作社印髮 448100 A7 _ B7_ 五、發明説明（上） 形、八邊形或十邊形，於本較佳實施例係裁成十邊形； 置料（此程序可視架體之強度所需而增加，倘其不 需要再加強強度，即不需要置料，直接進入下一程序）： 將P U蕊材（1 〇 )由中心軸線切開，並於其中間以軸向 方向置入受熱會膨脹的膨脹材料（2〇)(如乙烯乙酸乙 酯共聚物ethyl vinyl acetate簡稱E v A )，以供加 熱時，PU蕊材（ίο)可以藉由膨脹材料（2〇)由中 心向外擠壓； 發泡.請同時參閲第一、三圖所示，將pu蕊材（ 1 0 )置入對應的模具（3 〇 )内，該模具（3 〇 )係由 上、下模（3 1) (32)對合而成，且上、下模（3 1 )(3 2 )相對該側設有模穴（3 i）（3 2 1 )，其 t，模穴（311) (321)的内緣貼覆一層易於脫模 之聚乙烯（poly ethylene簡稱PE)離型膜（4〇 )，並於離型膜（40)上方覆設一層密度極低的PU發 泡料，如此當上、下模（3 1) (3 2)加熱後，可使p U發泡料發泡包覆於pU蕊材（1们外緣，而形成如第 四圖所示之發泡層（5 〇 )，並使pu蕊材（1 〇 )與上 、下模（3 1) (32)之模穴（311) (321)、間 的空隙藉由發泡I (5 0) $全緊密填&，不會存在有任 何間隙’藉此使PU蕊材（1 〇)外緣形成一層堅硬的外 殼； 披覆：如第四圖所示，將預浸有樹脂之碳纖維複合 材料布（6 0 )(或表面塗佈黏著劑之碳纖維複合材料布 本紙張尺度適用中ΐ國家標準（CNS ) A4現格（210X297公楚) " ---- (#先閱讀背而之泣意事項再填寫本頁)^ ^ D! UJ A7 B7 --------- * '------ V. Description of the invention) (3 1) Upper mold (3 1 1) (3 2 1) Mold cavity (32) Lower mold (40) release film, (50) foam layer (60), carbon fiber composite material cloth (61), carbon fiber composite material layer (70), mold (71), upper mold (72), lower mold ( 80) Carbon fiber composite material layer (90) Mold (91) Mold cavity In order to improve the lack of the conventional hollow tubular stent and the solid tubular stent with foam, the present invention specifically proposes a tubular shape as shown in the first figure A method for manufacturing a stent of ultra-light solid composite material, which mainly includes the steps of making material blocks, cutting, filling, foaming, coating, mold setting, and heating to form a tubular ultra-light solid composite containing a filling material. The manufacturing process of the material bracket is detailed as follows: Made of material block: Please refer to the second figure at the same time, with a density of about 03g / cm 3 rigid polyurethane (hereinafter referred to as p ^ Central Bureau of Standards, Ministry of Economic Affairs) Printed by the employee consumer cooperative) The foam is foamed into a material block (1), which after being fully deformed is' ready to be cut into the required rod-shaped P material (1 〇 ), For example, if it is to be made into a frame, that is, cut into the shape of the frame in advance, if it is to be made into a tennis racket, it is cut into the shape of a racket frame; Material (10), and the cross-section of the PU core material (10) is cut into a shape similar to the shape of the tubular bracket. For example, the tubular bracket to be formed is oval, that is, the cross-section of the plJ core material (1 0). It is cut into an approximately oval polygon. If the tubular bracket to be formed is a circular pipe, the PU core material (1 0) is cut into regular hexagons. 6 This paper size applies to the Chinese National Standard (CNS) A4 specification (210X297). ) The Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs issued 448100 A7 _ B7_ V. Description of the invention (above) Shape, octagon, or decagon, cut into decagon in this preferred embodiment; material (this The program can be increased according to the strength of the frame. If it does not need to strengthen the strength, that is, it does not need to place the material, it directly enters the next program.): Cut the PU core material (10) from the center axis and use the middle Place an expansion material (20) that expands in the axial direction (such as ethylene ethyl acetate) Copolymer ethyl vinyl acetate (referred to as E v A), for heating, the PU core material (ίο) can be extruded outward from the center by the expansion material (20); foam. Please refer to the first and third figures at the same time As shown, the pu core material (1 0) is placed in the corresponding mold (30), the mold (30) is formed by the upper and lower molds (3 1) (32) butting together, The mold (3 1) (3 2) is provided with a mold cavity (3 i) (3 2 1) opposite to the side. At t, the inner edge of the mold cavity (311) (321) is covered with a layer of polyethylene ( poly ethylene (PE for short) release film (40), and a layer of extremely low density PU foaming material is overlaid on the release film (40), so when the upper and lower molds (3 1) (3 2) are heated , Can make the p U foaming material foamed and coated on the pU core material (1 outer edge, and form a foam layer (50) as shown in the fourth figure, and make the pu core material (10) and the top , The mold cavity (311) (321) of the lower mold (3 1) (32), the gap between them is filled by foaming I (50) $ Compactly filled & there will not be any gap 'to make the PU The outer edge of the core material (10) forms a hard shell; Cover: As shown in the fourth figure, it will be pre-impregnated with resin Carbon fiber composite cloth (60) (or carbon fiber composite cloth coated with adhesive on the surface) The paper size is applicable to China National Standard (CNS) A4 standard (210X297). &Quot; ---- (# 先 读 背(Will fill out this page again)
448100 A7 ____ B7__ 五、發明説明（g) )捲繞披覆於Ρϋ蕊材（1 〇)的發泡層外，藉 以加熱成型如第五圖所示之碳纖維複合材料層（6丄）〔 該碳纖維複合材料層（6 1 )可為碳纖維或玻璃纖維〕； 置模：將被碳纖維複合材料層（6 1 )所包覆之ρ 11蕊材（1 0 )置於第五圖之模具（7 0 )内，該模具（ 7〇)具有相對合之上、下模（71) (72); 加熱.對模具（7 〇 )加熱（約1 〇 〇 °c左右）， 使發泡層（5 〇 )及碳纖維複合材料層（6 1 )受熱產生 熱脹及融熔作用，進而使發泡層（5 〇 )與碳纖維複合材 料層（6 1 )完全黏合在一起’同時藉由pu蕊材（工〇 )内部的膨脹材料（2〇)(如Eva)產生受熱膨脹的 現象’使P U蕊材（1 〇 )向外擠壓，令p u蕊材（1 〇 )、發泡層（5 〇)及碳纖維複合材料層（6丄）可完全 緊密貼合成一，並硬化形成所需的管狀支架。 經濟部中央標準局員工消費合作社印製 (請先閱讀背面之注意事項再填寫本頁) 叫復參閱第 五圖所示，經由上述的製成材料塊 裁切、置料、發泡、披覆、置模及加熱等步驟，將p U 心泡劑預先製成材料塊裁切成近管^狀支架外緣的p U蕊材 (10)，並將PU蕊材（1 〇)中間置入膨脹材料（2 0) ’而後置於具有發泡劑之模具（3〇)内，使？1]蕊 材（1 0 )外緣形成發泡層（5 0 )，並於彼覆碳纖維複 合材料層（6 1 )後，置模加熱使p U蕊材（1 0 )、發 泡層（5 0 )與碳纖維複合材料層（6丄）完全貼合在一 起，以形成内部具填充材的管狀超輕實心複合材料。 而利用上述本發明之製造流程所製成之管狀支架可 _—8 本紙張尺度適用中國國家標率（CNS ) Α4規格（210Χ29*7公釐） 0 經濟部中央標準局員工消費合作社印製 Α7 Β7 五、發明説明（7 ) ‘ 一改習用缺失而具有多項優點： 1 .結構強度佳：由於整個管狀支架係由p u蕊材 、發泡層及碳纖維複合材料層分層组成，故可得到内=具 填充材料的管狀超輕實心複合材料，以有效提升管狀支架 的結構強度，增進使用者之安全性。 2 _ P U蕊材不易變形，容易控制：由於本發明先 將p u發泡劑經由發泡成材料塊一段時間後再裁切u 微材’可避免因材質内應力所產生之變形。 3 · P U蕊材外之發泡體可得密實的發泡效果：ρ U蕊材置入模穴後，其與模穴内壁之空間較小，故其發泡 層可獲得充分之發泡，不易產生空隙，可得密實的發泡效 果，進而使支架結構更強。 4·不會產生收縮變形：由於本發明並非如習用般， 於架體成型後再於内部注入Ρυ發泡劑，故可避免當發泡 劑之劑置控制不精確，而使兩液的吐出量未能達到反應的 比例值所產生之自然收縮現象，造成發泡體與架體間形成 空隙，使其密合性出現問題而無法噠預期之強度。 5 .架體與其内部補強填充物可緊密結合，不易脫落 :由於Ρ ϋ蕊材中心置有可受熱膨脹之膨脹材料，故當ρ U凝材披覆碳纖維複合材料之後，再置入模具中加熱時， 膨脹材料會受熱膨脹而向外擠壓，使得p U蕊材外之發泡 體緊緊地壓抵碳纖維複合材料層，而產生相當結實的超輕 實心複合材料之支架。 综上所述，利用本發明之製造流程所製成之管狀超輕 9 本紙張尺度適用中國國家標率（CNS ) Α4規格（2Ι0Χ297公釐） (诗先閱讀背面之注意事項再填寫本頁) 訂 4 Α7 Β7 五、發明説明（$ ) 實心複合材料之支架，其可改進習用缺失，而具有結構強 度佳、Ρ ϋ蕊材不易變形、密實的發泡效果、不會產生收 縮變形等諸多優點，故具有產業利用價值，且其製造方法 又未見於已公開資料，故乃爰依法提出申請。 l· —------- (請先閱讀背面之注意事頊再填寫本頁j 經濟部中央標準局負工消费合作社印製 本紙張尺度適用中國國家標準（CNS ) Α4规格（210Χ297公釐）448100 A7 ____ B7__ 5. Description of the invention (g)) It is wrapped around the foamed layer of PP core material (10), and then it is heated to form a carbon fiber composite material layer (6 丄) as shown in the fifth figure. The carbon fiber composite material layer (6 1) can be carbon fiber or glass fiber]; mold placement: placing the ρ 11 core material (1 0) covered by the carbon fiber composite material layer (6 1) in the mold (7) of the fifth figure 0), the mold (70) has relatively upper and lower molds (71) (72); heating. The mold (70) is heated (about 1000 ° c) to make the foam layer (5 〇) and the carbon fiber composite material layer (6 1) are heated to produce thermal expansion and melting, so that the foamed layer (50) and the carbon fiber composite material layer (6 1) are completely bonded together. At the same time, the pu core material ( 〇) The internal expansion material (20) (such as Eva) produces a phenomenon of thermal expansion, which causes the PU core material (10) to squeeze outward, so that the pu core material (10) and the foam layer (50) And the carbon fiber composite material layer (6 丄) can be completely tightly integrated into one, and hardened to form the required tubular scaffold. Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling this page). Please refer to the fifth figure to cut, place, foam, and cover the finished material blocks. , Mold setting, heating and other steps, pre-made the p U heart foam into a material block and cut it into the p U core material (10) near the outer edge of the tube-shaped stent, and place the PU core material (10) in the middle The intumescent material (20) 'is then placed in a mold (30) with a blowing agent. 1] A foamed layer (50) is formed on the outer edge of the core material (1 0), and the carbon fiber composite material layer (6 1) is coated on the outer edge of the core material (1 0), and then the mold is heated to make the p U core material (1 0) and the foamed layer ( 50) is fully bonded with the carbon fiber composite material layer (6 完全) to form a tubular ultra-light solid composite material with a filling material inside. And the tubular stent made by the above-mentioned manufacturing process of the invention can be used for the paper size of China National Standards (CNS) A4 (210 × 29 * 7 mm). 0 Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs Β7 V. Description of the invention (7) 'A lack of reform has many advantages: 1. Good structural strength: Since the entire tubular stent is composed of pu core material, foam layer and carbon fiber composite material layer, it can be obtained internally. = Tubular ultra-light solid composite material with filling material to effectively improve the structural strength of the tubular bracket and improve user safety. 2 _ Pu core material is not easy to deform and easy to control: Because the present invention first foams the p u foaming agent into a material block for a period of time and then cuts the u micro material 'to avoid deformation due to internal stress of the material. 3 · Foam outside the PU core material can obtain a dense foaming effect: After the U core material is placed in the cavity, the space between it and the inner wall of the cavity is small, so the foam layer can obtain sufficient foaming. It is not easy to generate voids, and a dense foaming effect can be obtained, thereby making the stent structure stronger. 4 · No shrinkage deformation: As the present invention is not used as usual, pυ foaming agent is injected into the interior of the frame after molding, so it is possible to avoid inaccurate control of the dosage of the foaming agent and make the two liquids be discharged The natural shrinkage phenomenon caused by the failure of the amount to reach the proportion of the reaction causes a void to be formed between the foam and the frame, causing problems in its adhesion and unable to reach the expected strength. 5. The frame and its internal reinforcing filler can be tightly combined to prevent it from falling off. Because the center of the core material is provided with a thermal expansion material, when the carbon fiber composite material is coated with the ρ U solid material, it is placed in the mold and heated. At this time, the expansion material will be thermally expanded and squeezed outwards, so that the foam outside the PU core material is pressed tightly against the carbon fiber composite material layer, resulting in a very strong, ultra-light solid composite material scaffold. In summary, the ultra-light tubular 9 made by the manufacturing process of the present invention is applicable to the Chinese National Standards (CNS) A4 specification (2Ι0 × 297 mm) (please read the notes on the back before filling this page) Order 4 Α7 Β7 V. Description of the invention ($) Solid stent, which can improve the lack of use, and has good structural strength, difficult to deform the core material, dense foaming effect, no shrinkage deformation, etc. Therefore, it has industrial use value, and its manufacturing method has not been seen in the published information, so it is submitted in accordance with the law. l · —------- (Please read the notes on the back 顼 before filling out this page. j Printed by the Central Standards Bureau of the Ministry of Economic Affairs and Consumer Cooperatives. This paper is printed in accordance with the Chinese National Standard (CNS) Α4 specification (210 × 297). %)