TW200906206A - Method for manufacturing the drum paper of speaker - Google Patents

Method for manufacturing the drum paper of speaker Download PDF

Info

Publication number
TW200906206A
TW200906206A TW96125869A TW96125869A TW200906206A TW 200906206 A TW200906206 A TW 200906206A TW 96125869 A TW96125869 A TW 96125869A TW 96125869 A TW96125869 A TW 96125869A TW 200906206 A TW200906206 A TW 200906206A
Authority
TW
Taiwan
Prior art keywords
fiber
resin
drum paper
fiber cloth
cloth body
Prior art date
Application number
TW96125869A
Other languages
Chinese (zh)
Other versions
TWI347136B (en
Inventor
Hiroshi Ohara
Original Assignee
Hiroshi Ohara
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hiroshi Ohara filed Critical Hiroshi Ohara
Priority to TW96125869A priority Critical patent/TW200906206A/en
Publication of TW200906206A publication Critical patent/TW200906206A/en
Application granted granted Critical
Publication of TWI347136B publication Critical patent/TWI347136B/zh

Links

Landscapes

  • Paper (AREA)

Abstract

Provided is a method for manufacturing the drum paper of a speaker, comprising the following units: a fiber cloth, a resin tank containing liquid resin, a baking device, a forming mold, and a cutting apparatus. The fiber cloth is soaked in the liquid resin in the resin tank, bake-dried by the baking device, press-formed by the forming mold, and cut by the cutting apparatus so as to complete the manufacturing of the drum paper of the speaker. The liquid resin contains more than 50% of solid material, which forms a resin film at the seam between the yarns of the fiber cloth during the press-forming process of the forming mold to prevent the air from permeating into the gap between the warps and wefts of the fiber cloth, solving the problem of drum paper leakage.

Description

200906206 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種鼓紙之製造方法’特別是一種採用含浸言 濃度液態樹脂之纖維布體為材料,並經後續加工處理之鼓紙繁造 方法。 【先前技術】 政紙(Cone)為蜂彳η八發聲時的發聲機構之一,0刺σ八發聲時由立圈 產生之振動帶動鼓紙顫動,壓縮或放鬆周遭空氣,聲波傳入人耳 發出聲音。鼓紙為有效推動周遭空氣,需有一定之剛性及阻尼, 否則會有諧振及分割振動之情況產生。鼓紙同時亦必需不漏氣, 否則會無法有效推動周遭空氣,造成喇叭損壞或發聲效果不佳。 習知鼓紙製造方法係姻-鼓紙雜之模具,通常為錐形或 半球形,利用調製過之液態紙漿倒入模具中,使模具上殘留紙漿 纖維,經重覆多次傾倒後,模具上紙漿纖維殘留愈來愈多且厚, 此時再將模具加壓加熱,並經適當裁剪,遂完成鼓紙之製作。 於此製作方法中,當紙漿液體倒入模具中,除部分紙漿殘留 於模具上外’其餘液態紙漿皆穿過模具之孔洞而形成廢水排出。 而每製作-鼓紙時’皆需糊數次大量賴㈣,故遂產生有大 量廢水,此些廢水皆需處理才得以排放,會花#不少成本。此外, 習知鼓紙常有漏氣率太高,造成伽γ發聲效果不佳之情形。故如 此解決上述問題,為本發明之創作方向。 【發明内容】 5 200906206 習知鼓紙製作時,會產生大量廢水,處理廢水花費成本高, 且Hn貝不L吊有漏氣之問題存在。馨於以上的問題,本發 明目的在於提供—_錢紙之製造方法,其可有效解決鼓紙漏 氣率之問題’且製作過程中亦無廢水產生,可有效節省成本,提 升剩錯聲縣’軸先前細畴在的_或缺點。 本發明-種勢Λ鼓紙之製造方法,包括下列步驟: a. 提供一纖維布體; b. 提供-樹脂槽’槽内含有—液膽脂,此液態翻旨中含固形 物,且固形物量佔液態樹脂50%以上; c. 將纖維布體含浸於樹脂槽内之液態樹脂中; 丄將含浸後之纖維布體烘乾; e. 將烘紐之纖維布體置於一鼓紙模具中加壓及加熱,鼓紙模 具合模後,係形成一成形有效位置,此成形有效位置之間隙 係小於或等於纖維布體含浸液態樹脂後之厚度; f. 加熱後之纖維布體’其上之液態樹驗醜後成桃融態, 經加壓後,係填滿於成形有效位置之_,且液態樹脂並於 纖維布體之縫隙間形成不透氣之-樹脂臈;以及 g. 將纖維布體裁剪。 利用上述製造方法,本發明可於鼓紙纖維布體之各經緯紗線 間形成-樹麟’喊空氣由轉紗間之空隙穿透,解決漏氣率 之問題,同時製造方法簡單,無廢水處賴題,具有眾多之功效。 200906206 —以下在實施方式⑽細敘述本發日狀詳細特触及優點,其 内容足以使任何熟習相驗藝者了解本㈣之技細容並據以實 施,且根據本說明書所揭露之内容、申請專利範圍及圖式,任何 熟習相關技藝者可㈣地理解本發_社目的及優點。 以上之關於本發_容之朗及以下之實施方式之說明係用 以示範與解釋本發日狀顧,並域供本發日狀專利申請範圍更 進一步之解釋。 【實施方式】 為使對本發_目的、構造、特徵、及其功能有進—步的瞭 解’錄配合實施例詳細說明如下。 喇錢紙22之t造,係纟下雕騎構成··含浸翻旨、供乾、 核d、裁切等 請參閱第—圖所示,為本發明㈣鼓紙之製造流 私圖。其中,組成各步驟所需之單元包括有:—纖維布體⑺、一 樹脂槽12、一供烤裝置16、一成型模具18及-裁切裝置20等。 於’八鼓紙22之製造巾,需先提供—纖維布體1(),其為未經 特殊處理·-般布材,由多數條相互垂直之經緯紗線叫請參 閱第二圖所示)交錯構成’ ^各經緯紗線nG係由複數條纖維所 成。 含浸樹脂階段’提供-樹脂槽12,内裝有液態樹脂14,樹 脂14可以為酚醛樹脂、環氧樹脂、聚脂樹脂…等均可。其中液熊 樹脂14内含有酒精、水份等之固形物,含量佔液態樹脂14量 以上。而纖維布體10係先含浸於此樹脂槽12内之液態樹脂14中j 200906206 使纖維布體10内之鱗紗線i爾參閱第二圖所示)吸附及黏著 樹脂14。 烘乾階段,提供-烘烤裳置16,其由上、下二轉板i6i所 組成’二烘烤板161間具有略大於纖維布體ig厚度的空間,具有 -定之温度。由樹賴12取出之纖維布體1G,置人輯裝置Μ 中時’纖維布體H)係放置於上、下二烘烤板⑹間,利用烘烤板 161之溫度,使纖維布體10之水份及揮發性物質去除,供乾纖維 布體H),同時使樹脂14滲人纖維布體1Q内,而黏附於纖維布體 10之經緯紗線11G上。因樹脂槽12中之液鱗脂14卿物含量 達50%以上’由樹脂槽12取出之纖維布體其轉紗線11〇係 沾附相當多之樹脂14,而形成一團團之結構,請參閱第二圖所示。 一請再回至第—圖所示,模製階段,提供-成型模具18,其由 核具181及-下模具182所組成,請參閱第三圖所示,於上、 下核具181、182壓合處’又可分為音盆部184及連接片部⑻, ^係使成型姑18形成鼓紙22之形狀。於此處,成賴具μ合 邊上下模具18卜182間,形成一成形有效位置⑻,此成 ^有效位置183之間隙大小,係小於料賊維布體1G含浸液態 娜Μ叙厚度,且此顧彡有效位们Μ之顏,僅侷限於上、 下松具W、182之音盆部184 ’不包含於連接ϋ部185。做此限 制係因Μ合含有樹脂14之纖維布體料,多餘成形有效位置⑻ 間隙之樹脂14可被擠壓至連接4部185。 8 200906206 當纖維布體ίο烘烤完後,將其置入上、下模具l81、182中, 糊上核具⑻壓合下模具182,使得纖維布體a被壓合於上、 下U1、182間;上、下模具⑻、182間也有加熱裝置,當 上下模具⑻、182合模且對纖維布體1〇加壓的同時,加熱裝 置也L電使上、下模具181、182溫度均昇高,溫度以介於携〜別 C間,藉以使含有樹脂14的纖維布體因加熱而造成樹脂14軟 化’除破開樹月旨14外’亦使存在於各經緯紗、線110狀樹脂14 填滿於成树效位置183之難,而相連接形成—樹脂膜⑷(請 參閱第四圖所示),此樹脂膜141係可使覆蓋於各經緯紗線ιι〇間, 如此纖維布體1G則為-完整不漏氣之布體ω結構。 裁切階段’提供-裁切裝置20,其由一上切具2〇1及一下切 具202所組成,主要功能為切除纖維布體1〇多餘部分,或使成型 之纖維布體10與原纖維布體1G麟。當成型之纖維布體由成 麵具18出來時’其係與原纖維布體10相連接,故利用上切具 2〇1與下切具202切除其連接處及多餘處,如此,遂完成一佩之 鼓紙22。 此外,於本發明中,纖維布體係之纖維可為竹子纖維、 Aramid、聚酯纖維、棉纖維、壓克力纖維、蠶絲纖維或pEN(聚乙 烯環烷纖維’ PolyethyleneNaphthalate)等其中之一纖維或二種以上 之纖維所構成。而上述各纖維亦可由低融點纖維所構成。 習知剩錢紙之製造方法,不僅有廢水處理的問題,同時鼓 200906206 紙也有漏氣率高之問題’本㈣可於鼓紙之纖轉體各經緯紗線 間形成一樹脂膜,如此空氣不易由經緯紗間之空隙穿透,解決; 氣率之問題,同時製造方法簡單,且無廢水處理問題,具有孓多 之功效 雖然本發明以前述之實施例揭露如上’然其並非用以限定本 發明。在不脫離本發明之精神和範圍内,所為之更動與潤飾,均 屬本發明之專利保護範圍。關於本發明所界定之保護範圍請參考 所附之申請專利範圍。 【圖式簡單說明】 第一圖為本發明喇叭鼓紙之製造方法製造流程圖。 第二圖為本發明纖維布體含浸樹脂後樹脂分布於各紗間線間 之示意圖。 第三圖為本發明成型模具構造圖。 第四圖為本發明纖維布體於成型模具成型後樹脂分布於各紗 間線間之示意圖。 【主要元件符號說明】 110. 12.. 紗線 樹脂槽 樹脂 樹脂模 烘烤裝置 10 14.. 200906206 161...........................烘烤板 18.............................成型模具 181 ...........................上模具 182 ...........................下模具 183 ...........................成形有效位置 184 ...........................音盆部 185 ...........................連接片部 20.............................裁切裝置 201 ...........................上切具 202 ...........................下切具 22.............................鼓紙 π200906206 IX. Description of the Invention: [Technical Field] The present invention relates to a method for manufacturing a drum paper, in particular, a method for manufacturing a drum paper using a fiber cloth body containing a liquid resin containing a immersion concentration as a material and subjected to subsequent processing . [Prior Art] Cone is one of the sounding mechanisms when the bee 彳 eight sounds, and the vibration generated by the vertical ring causes the drum paper to vibrate when the spurs are squeaky, compressing or relaxing the surrounding air, and the sound waves are transmitted to the human ear. Make noise. To effectively push the surrounding air, the drum paper needs a certain rigidity and damping, otherwise there will be resonance and split vibration. At the same time, the drum paper must not leak, otherwise it will not be able to effectively push the surrounding air, causing the horn to be damaged or the sounding effect is not good. The conventional drum paper manufacturing method is a mold-drum paper mold, which is usually tapered or hemispherical, and is poured into a mold by using the prepared liquid pulp, so that the pulp fiber remains on the mold, and after repeated repeated dumping, the mold The pulp fiber residue is more and more thick and thick. At this time, the mold is heated under pressure, and the drum paper is finished by appropriately cutting. In this production method, when the pulp liquid is poured into the mold, except for a part of the pulp remaining on the mold, the remaining liquid pulp passes through the holes of the mold to form waste water. Every time you make a drum, you need to paste a lot of times (4), so there is a lot of waste water. These wastes need to be treated before they can be discharged. In addition, conventional drum papers often have a high air leakage rate, resulting in a poor gamma gambling effect. Therefore, solving the above problems is the creative direction of the present invention. [Summary of the Invention] 5 200906206 When the drum paper is produced, a large amount of waste water is generated, and the cost of treating the waste water is high, and there is a problem that the Hn shell does not leak. In addition to the above problems, the present invention aims to provide a method for manufacturing money paper, which can effectively solve the problem of air leakage rate of the drum paper, and no waste water is generated in the production process, which can effectively save costs and improve the sound of the remaining sounds. 'The _ or shortcoming of the previous fine domain of the axis. The invention relates to a method for manufacturing a potential drum paper, comprising the steps of: a. providing a fiber cloth body; b. providing a resin tank containing a liquid cholesterol, the liquid body containing solid matter, and solid form The amount of the material accounts for more than 50% of the liquid resin; c. impregnates the fiber cloth body with the liquid resin in the resin tank; 丄 dries the impregnated fiber cloth body; e. places the fiber cloth body of the baking layer in a drum paper mold Pressurizing and heating, after the drum paper mold is clamped, forming a forming effective position, the gap of the forming effective position is less than or equal to the thickness of the fiber cloth body impregnated with the liquid resin; f. the heated fiber cloth body After the liquid tree is tested, the peach is melted, and after being pressurized, it is filled with the effective position of the forming, and the liquid resin forms an airtight resin-rubber between the gaps of the fiber cloth; and g. The fabric is cut. By using the above manufacturing method, the invention can form between the warp and weft yarns of the drum paper fiber cloth body - Shulin's air is penetrated by the gap between the yarns to solve the problem of air leakage rate, and the manufacturing method is simple, no waste water It has a lot of effects. 200906206—The following is a detailed description of the specific features of this issue in the embodiment (10), which is sufficient for any familiar applicator to understand the technical details of this (4) and implement it according to the contents and application of the present specification. For the scope and schema of the patent, any person skilled in the art can understand (4) the purpose and advantages of the present invention. The above description of the implementation of the present invention and the following embodiments are used to demonstrate and explain the present application, and further explain the scope of the present patent application. [Embodiment] For the purpose of making the present invention, the structure, the features, and the functions thereof are explained in detail. The construction of the money paper 22 is the construction of the underarm carving, the impregnation, the drying, the nuclear d, the cutting, etc. Please refer to the figure - figure for the manufacturing flow of the drum paper of the invention (4). Among them, the units required to form each step include: a fiber cloth body (7), a resin tank 12, a baking device 16, a molding die 18, and a cutting device 20. For the manufacturing of 'Ba Drum Paper 22', the fiber cloth body 1 () must be provided first, which is a special cloth without special treatment. The warp and weft yarns which are perpendicular to each other are called as shown in the second figure. Interlaced composition '^ Each warp and weft yarn nG is made up of a plurality of fibers. The impregnating resin stage is provided with a resin tank 12 containing a liquid resin 14, which may be a phenol resin, an epoxy resin, a polyester resin, or the like. The liquid bear resin 14 contains a solid matter such as alcohol or water, and the content thereof accounts for more than 14% of the liquid resin. The fiber cloth body 10 is first impregnated into the liquid resin 14 in the resin tank 12, and the resin yarn 14 in the fiber cloth body 10 is adsorbed and adhered to the resin 14 as shown in the second figure. In the drying stage, a baking skirt 16 is provided, which is composed of upper and lower two rotating plates i6i. The space between the two baking plates 161 is slightly larger than the thickness of the fiber cloth body ig, and has a predetermined temperature. The fiber cloth body 1G taken out by the tree Lai 12 is placed between the upper and lower baking sheets (6) when the apparatus is placed in the middle of the apparatus, and the temperature of the baking board 161 is used to make the fiber cloth body 10 The moisture and volatile matter are removed for the dry fiber cloth H), and at the same time, the resin 14 is infiltrated into the fiber cloth body 1Q, and adhered to the warp and weft yarn 11G of the fiber cloth body 10. Since the content of the liquid squama 14 in the resin tank 12 is 50% or more, the fiber cloth taken out from the resin tank 12 has a considerable amount of the resin 14 which is attached to the yarn 11 to form a cluster structure. See the second picture. Please return to the first figure, in the molding stage, to provide a molding die 18, which is composed of a fixture 181 and a lower die 182. Please refer to the third figure, the upper and lower fixtures 181, The 182 press-fit portion can be further divided into a cone portion 184 and a connecting piece portion (8), which is such that the forming die 18 forms the shape of the drum paper 22. Here, the gap between the upper and lower molds 18 and 182 is formed to form a forming effective position (8), and the gap size of the effective position 183 is smaller than the thickness of the liquid immersion liquid of the thief. The face of the 彡 彡 , , , , , , , , 184 184 184 184 184 184 184 184 185 185 185 185 185 185 185 185 185 185 185 185 185 This restriction is made by kneading the fiber cloth body containing the resin 14, and the resin 14 having the excess forming effective position (8) gap can be pressed to the connection portion 185. 8 200906206 After the fiber cloth body ίο is baked, it is placed in the upper and lower molds l81, 182, and the paste fixture (8) presses the lower mold 182 so that the fiber cloth body a is pressed against the upper and lower U1. 182; there are heating devices between the upper and lower molds (8) and 182. When the upper and lower molds (8) and 182 are clamped and the fiber cloth body 1 is pressurized, the heating device also electrically charges the upper and lower molds 181 and 182. When the temperature is raised, the temperature is between the C and the other C, so that the fiber cloth containing the resin 14 is softened by heating, and the resin 14 is softened. The resin 14 is filled in the aging effect position 183, and is connected to form a resin film (4) (see the fourth figure), and the resin film 141 can be covered between the warp and weft yarns, such a fiber. The cloth body 1G is a complete and airtight cloth body ω structure. Cutting stage 'providing-cutting device 20, which is composed of an upper cutting device 2〇1 and a lower cutting tool 202, the main function is to cut off the excess portion of the fiber cloth body 1 or to make the formed fiber cloth body 10 and Fibril cloth body 1G Lin. When the formed fiber cloth body is formed by the mask 18, it is connected to the fibril cloth body 10, so the upper cutting tool 2〇1 and the lower cutting tool 202 are used to cut off the joint and the excess, so that the Peizhi drum paper 22. In addition, in the present invention, the fiber of the fiber cloth system may be one of bamboo fiber, Aramid, polyester fiber, cotton fiber, acrylic fiber, silk fiber or pEN (polyethylene naphthalate) or Two or more kinds of fibers are formed. Each of the above fibers may also be composed of low melting fibers. The method of manufacturing the residual paper has not only the problem of wastewater treatment, but also the problem that the drum 200906206 paper has a high air leakage rate. [This (4) can form a resin film between the warp and weft yarns of the drum paper, so the air It is not easy to be penetrated by the gap between the warp and weft yarns; the problem of gas rate, the manufacturing method is simple, and there is no waste water treatment problem, and the utility model has many functions. Although the present invention is disclosed above in the foregoing embodiments, it is not limited thereto. this invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. Please refer to the attached patent application scope for the scope of protection defined by the present invention. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a flow chart for manufacturing a method for manufacturing a horn drum paper of the present invention. The second figure is a schematic view showing the distribution of the resin between the yarns after the fiber cloth body is impregnated with the resin. The third figure is a structural drawing of the molding die of the present invention. The fourth figure is a schematic view showing the distribution of the resin between the yarns after the molding of the fiber cloth body of the present invention. [Description of main component symbols] 110. 12.. Yarn resin tank resin resin mold baking device 10. 14. 200906206 161....................... .... Baking Board 18...........................Forming Mold 181 .......... .................Upper mold 182 ........................... Lower mold 183 ...........................Formed effective position 184 ................... ........the cone part 185 ...........................Connecting the piece 20........ ......................Cutting device 201 ........................ ...the upper cutting tool 202 ...........................low cutting tool 22............. ................drum paper π

Claims (1)

200906206 十、申請專利範圍: 1. 一種喇叭鼓紙之製造方法,包括下列步驟: a.提供一纖維布體; b.提供-樹脂槽,槽内含有-液態樹脂,魏態樹脂中含固形 物,且該固形物量佔該液態樹脂5〇%以上; c_將該纖維布體含浸於該樹脂槽内之該液態樹腊中; d·將含浸後之該纖維布體烘乾; e. 將供乾後找_树餘—觀· _祕及加熱,該鼓 紙模具合模後,係形成—成形有效位置,該成形有效位置之 間隙係小於或等於該纖維布體含浸該液態樹脂後之厚度; f. 域後找纖維树,其上之魏態樹酿齡後成為溶融 態’經加壓後,係填滿於該成形有效位置之間隙,且該液態 樹脂並__布體之,__成不透氣之-_旨膜;以及 g·將該纖維布體裁剪。 2. 專利範圍第1項所述之佩鼓紙之製造方法,其中該液 心柄^曰係為一紛酸·樹脂。 I Γ請專利細1項所述之伽Y鼓紙之製嫌,其中e步 〃之加熱溫度約於⑽至圍間。 Hi專利耗圍第1項所述之勢八鼓紙之製造方法,該纖維布 纖維所構成紗線’再交錯編_^ __子纖維、、聚i旨纖維、棉纖維、壓克力 12 200906206 纖維、蠶絲纖維或PEN(聚乙浠環烧纖維,Polyethylene Naphthalate)等其中之一纖維或二種以上之纖維所構成。 5.如申請專利範圍第4項所述之喇叭鼓紙之製造方法,其中該竹 子纖維、該Ammid、該聚酯纖維、該棉纖維、該壓克力纖維、 該蠶絲纖維或該PEN等係為低融點纖維。 13200906206 X. Patent application scope: 1. A method for manufacturing horn drum paper, comprising the following steps: a. providing a fiber cloth body; b. providing a resin tank, the tank contains - liquid resin, and the Wei state resin contains solid matter And the amount of the solid matter accounts for more than 5% by weight of the liquid resin; c_ impregnating the fiber cloth body with the liquid tree wax in the resin tank; d· drying the fiber cloth body after impregnation; e. After the dry, look for the _ tree rest - view · _ secret and heating, after the drum paper mold is clamped, the forming effective position, the gap of the forming effective position is less than or equal to the fiber cloth body impregnated with the liquid resin Thickness; f. After the domain, the fiber tree is found, and the Wei state tree on the tree is in a molten state after being brewed. After being pressurized, it is filled in the gap of the effective position of the forming, and the liquid resin is __ cloth body, __ is airtight - _ film; and g · cut the fiber cloth. 2. The method for producing a drum paper according to the first aspect of the invention, wherein the liquid handle is an acid/resin. I pleaded guilty to the gamma-ray drum paper described in the patent item 1, in which the heating temperature of the e-step is about (10) to the circumference. Hi patents the manufacturing method of the eight-drum paper described in Item 1, the fiber fabric consists of the yarn 'reinterlaced _^ __ sub-fiber, poly fiber, cotton fiber, acrylic 12 200906206 Fiber, silk fiber or PEN (Polyethylene Naphthalate) or one of two or more fibers. 5. The method of manufacturing the horn drum paper according to claim 4, wherein the bamboo fiber, the Ammid, the polyester fiber, the cotton fiber, the acryl fiber, the silk fiber or the PEN system For low melting point fibers. 13
TW96125869A 2007-07-16 2007-07-16 Method for manufacturing the drum paper of speaker TW200906206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW96125869A TW200906206A (en) 2007-07-16 2007-07-16 Method for manufacturing the drum paper of speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW96125869A TW200906206A (en) 2007-07-16 2007-07-16 Method for manufacturing the drum paper of speaker

Publications (2)

Publication Number Publication Date
TW200906206A true TW200906206A (en) 2009-02-01
TWI347136B TWI347136B (en) 2011-08-11

Family

ID=44723044

Family Applications (1)

Application Number Title Priority Date Filing Date
TW96125869A TW200906206A (en) 2007-07-16 2007-07-16 Method for manufacturing the drum paper of speaker

Country Status (1)

Country Link
TW (1) TW200906206A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106454683A (en) * 2016-11-28 2017-02-22 黄清山 Integrated forming process for drum paper component and forming die thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI558223B (en) * 2014-12-19 2016-11-11 Concraft Holding Co Ltd Production method of sound net assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106454683A (en) * 2016-11-28 2017-02-22 黄清山 Integrated forming process for drum paper component and forming die thereof

Also Published As

Publication number Publication date
TWI347136B (en) 2011-08-11

Similar Documents

Publication Publication Date Title
JP4611906B2 (en) Manufacturing method of speaker diaphragm and speaker diaphragm
CN101420651B (en) Manufacturing method for loudspeaker drum paper
JP6313513B1 (en) Cellulose nanofiber molding
JP2008527101A5 (en)
JP6313512B1 (en) Cellulose nanofiber molding
TW200906206A (en) Method for manufacturing the drum paper of speaker
JP7492457B2 (en) Fiber reinforced resin sheet and method for producing same
CN105282677B (en) Horn vibrating reed water repellent handles method of moulding
CN108035196A (en) A kind of sound-absorbing hanging raw stock and preparation method thereof
JP2018062718A (en) Method for producing cellulose nanofiber molded body
JP2007270417A5 (en)
KR101969649B1 (en) Method of preparing Korean Paper- Melamine board
JP3336566B2 (en) Speaker diaphragm and manufacturing method thereof
CN107487044A (en) Solid wood core plate with compared with stiff stability
CN2631363Y (en) Bamboo coat hanger
TW202021380A (en) Method for manufacturing speaker diaphragm using different original fabrics at the same time capable of processing two original fabrics at the same time to speed up the manufacture, improve the efficiency, reduce the defect rate, and obtain finished products with the same property
CN209039857U (en) Paper machine
JP2014218046A (en) Method of producing woody fiber board
CN209869447U (en) Carbon fiber felt composite glass fiber knitted felt prepreg
JP3233803U (en) Color composite uneven plate material by high frequency
CN206136252U (en) Speaker vibration board
CN106143644B (en) Manufacture structural member, the especially method of automobile structure and corresponding structural member
JP2016137726A (en) Method for production of woven fabric-like decorative sheet
JP2003094583A (en) Sound absorbing and insulating material made of polyester fiber and its manufacturing method
JPS58133096A (en) Production for speaker diaphragm

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees