TWM376415U - Injecting molding mold - Google Patents

Injecting molding mold Download PDF

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Publication number
TWM376415U
TWM376415U TW98221744U TW98221744U TWM376415U TW M376415 U TWM376415 U TW M376415U TW 98221744 U TW98221744 U TW 98221744U TW 98221744 U TW98221744 U TW 98221744U TW M376415 U TWM376415 U TW M376415U
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TW
Taiwan
Prior art keywords
mold
flow path
injection molding
molding die
cavity
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Application number
TW98221744U
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Chinese (zh)
Inventor
Chia-Ju Ho
Der-Jang Sun
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Inventec Corp
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Priority to TW98221744U priority Critical patent/TWM376415U/en
Publication of TWM376415U publication Critical patent/TWM376415U/en

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Abstract

The present invention provides an injection molding mold, comprising a mold cavity, and a flowing channel communicating with the mold cavity. The mold cavity has a film disposed therein while the flowing channel having a curve section communicating with the mold cavity so as to slow down the velocity of a material flow running in the flowing channel and prevent the material flow from contacting an ink layer of the film directly so that the ink layer will not be damaged during the process of injection molding and thereby, the quality of the product can be controlled.

Description

五、新型說明: 【新型所屬之技術領域】 本創作係有關-種成形模具,尤其是緩和材料ά 速以及進模角度之一種射出成形模具。 ’丨L机 【先前技術】 在二出ί形是一種元件製造的技術尤其在近來為大量 通用方ί。由於-般產品中,不管是消費型ΐ 口口電腦或者疋日常用品,只要是塑膠或高分子 的產品,都可以利用設出成形的方式來製造。 , 在射出成形之中,主要是將材料經過流道注入至 穴中’使得具有流動性的材料可以填滿模穴,在經過降田 而成形。近來,由於成形品品質的需求,因此模内轉印: 術也逐漸嶄露頭角,模内轉印技術(in moldi叩⑺llep IMR)是-種用於大規模製造的_件外部裝飾的加工括 術.屬於IMD (In Molding Decwation)模内裝飾技術的 -種·它的優點是生產出來的塑料件外觀漂亮,可以有多 種顏色,多種花紋’較喷漆工藝的外殼耐磨,亮度更高, 適應大規模生產,生產效率高’無污染,模印精度高,可 轉印較複雜的圖案。特別適用於產品的外表面 功能面板。 Λ 然而,如圖一 Α所示,該圖係為習用之模内轉印模且 示意圖。該習用之模内轉印模具〗包括有一公模1〇、一'斜 銷11以及一母模12。該公模與該斜銷間具有一進料流道 13,其係可提供材料90由進料點μ流入。在母模12與公 /041!) t 10以及斜銷11之間具有模穴15,其係、可提供材料90 流^三在模穴15内具有一薄膜91,其係為一 IMR薄膜。 在該薄膜91上具有—層油墨層92’其係可在成形過程中, 將油墨層轉寫到成形品的表面上。然而,在該習用技術中, 由料魂道13是直接與油墨層92相對應,因此經由進 料流道13的高速與高溫的材料流會直接衝擊在薄膜91 上’而破壞了薄膜91上的油墨層92,形成破墨的缺陷, 進而影響到將來成形品的品質。 一习為了克服圖一 A之問題,如圖一B所示,該圖係為另 一習用之IMR成品示意圖。在該技術令,將進料點 置改設置在模具之—側,以形成成形品93。在圖一 B中, 雖然進料點14設置在側邊,可以避免了破墨的問題 由於進料職置於邊緣會導致成形品93在邊緣的結構,例 如:卡勾、溝槽、凸肋或者是通孔等結構,無法設計成形, 對於-些需要在成品邊緣設置結構的成形品 殼體,並不適用。 例如. 綜合上述,因此亟需一種射出成形模 術所產生之問題。 鮮决S用技 【新型内容】 鑒於上述習用技術所述之缺失,本創作提供— 成形模具’其係以具有曲率之流道與賴穴相連接,… 和由該流道中之材料進入模穴之流速與角度,使 乂緩 直接衝擊該薄膜上的油墨層,使該油墨層的不 封=Θ 形過程十損壞,而影響到成形品的品質。 θ射出成 包括ίϊ實施财,本創作提供—種射出成形模具,其係 • 一第一模具; 一斜銷,其係設置於該筮_捃θ ★ 杈具之一侧,該斜銷與該 第-模具_成—進料流道’該⑽流道包括有具 有曲率之一曲道; -第二模具’其係設置於該第—模具以及該斜銷之一 側該第一模具與s玄第一模具以及該斜銷之間形成 有與該曲道相連接之一成形模穴;以及 一薄膜,其係容置於該成形模穴内。 其中,在另一實施例中,該進料流道更具肴一第一流 道以及第一流道,該第一流道與一進料點相連接,該第 一流道連接該第一流道以及該曲道。 其中,在又一實·施例中,該進料流道更具有一第三流 道,其係分別與一進料點以及該曲道相連接。 【實施方式】 為使貴審查委員能對本創作之特徵、目的及功能有 更進一步的認知與瞭解,下文特將本創作之裝置的相關細 部結構以及没计的理念原由進行說明,以使得審查委員可 以了解本創作之特點,詳細說明陳述如下: 請參閱圖二所示’該圖係為本創作之射出成形模具第 一實施例示意圖。在本實施例中’該射出成形模具2具有 一第一模具20、一斜銷21以及一第二模具22。該斜銷21 M376415 其係設置於該第一模具20之一側,該斜銷21與該第一模 具20間形成一進料流道23,該進料流道23包括有一第一 流道230、一第二流道231以及具有曲率之一曲道232。其 中,該第一流道230係與一進料點24相連接,射出成形所 需要的流體材料90經由進料點24流入至第一流道230 内。該第一流道230與該第二流道231相連接,使得該第 一流道230與該第二流道231形成近似L型的流路。該第 二流道231再與該曲道232相連接。該曲道232係具有一 曲率半徑R或者是由有複數個曲率半徑所構成。 該第二模具22,其係設置於該第一模具20以及該斜 錆21之一側,該第二模具22與該第一模具20以及該斜銷 21之間形成有與該曲道232相連接之一成形模穴25。在該 成形模穴25内更具有一薄膜26,其係為一 IMR薄膜,其 上具有一油墨層260。本實施例中,該薄膜26係由設置在 射出成形模具2兩側的薄膜輸送與接收模組27所提供。該 薄膜輸送與接收模組27具有一輸送輪270以及一接收輪 271。其中輸送輪270係提供尚未使用的薄膜,而接收輪則 捲收由該成形模穴25中已經轉寫到成形品上的使用過之 薄膜。 請同時參閱圖二與圖三所示,其中圖三係為圖二之模 穴所成形之成形品與模穴區域關係不意圖。要說明的是’ 圖二之實施例之成形模穴25所對應的物件係為圖中之殼 體3之模穴。本實施例中,該殼體3具有一底板30以及環 設於該底板周圍之側板31,該成形模穴25更包括有對應 該底板30之一成形中間區域250以及對應該側板31之一 M376415 成形外圍區域251。在該底板30與該側板31連接之位置 的一側更具有·至少一結構32。本實施例之結構32係為強 化結構之凸肋,但不以此為限,例如:可形成螺孔的柱體 . 或者是卡勾結構等都可以為本創作結構32之實施例。由圖 三可以看出,該曲道232係與該成形中間區域250相連接。 如此的設計,不但可以避免破墨,更可以在側板31周圍提 供形成結構32所需之空間。 ' 再回到圖二所示,由於該曲道232具有曲率半徑,因 鲁 此由該曲道2 3 2流入該成形模穴2 5内的材料會因為流道彎 曲之故,而使得材料的流速得到緩衝,再加上曲道2 3 2的 曲率半徑,使得曲道的出口並不會直接90度的衝擊在油墨 層260上。例如在圖二中,由曲道232流出的材料90與油 墨層260間的夾角小於90度,避免了材料90直接衝擊油 墨層260,使得油墨層260不會產升破墨的問題,進而維 持.成形品的品質。 . 要說明的是,本創作設置斜銷21之目的在於因為曲道 φ 232的設置,會使得曲道232與成形模穴25間具有凸角結 構210,再加上第一流道230的設置,因此如果沒有設置 斜銷21,則會造成後續成形品無法順利脫模的問題。因此 藉由本創作斜銷21的設計,不但可以缓和材料90的速度 減低衝擊油墨層260的力道,更可以助於將來成形品脫 模。在圖二中,該斜銷21之一側具有移動空間28,因此 將來射出成形完成後,該移動空間28可以提供斜銷21側 移所需之空間。至於該斜銷側移所需之行程係為該第一流 道之長度b與凸角結構210凸出之距離a的總和(a+b)。 7 M376415 請參閱圖四所示,該圖#、為本創作之射出成形模具另 一實施例示意圖。在本實施例中,基本上與圖二類似,差 異的是在於本實施例之進料流道29係具有一第三流道290 以及一曲道291,該第三流道290係分別與進料點24以及 該曲道291相連接。該曲道291之特徵係與圖二之曲道232 之特徵相同,在此不作贅述。本實施例的創作是對於斜銷 21旁的移動空間28不足時所做的設計。在移動空間28不 足的情況下,將第三流道290設計成直線形流道,使得斜 銷只需要移動曲道291與成形模穴25間具有凸角結構210 的長度a的行程,以順利脫模。因此藉由本創作進料流道 2 9的設計,不但可以緩和材料9 0的速度減低衝擊油墨層 260的力道,更可以助於將來成形品脫模。 惟以上所述者,僅為本創作之實施例,當不能以之限 制本創作範圍。即大凡依本創作申請專利範圍所做之均等 變化及修飾,仍將不失本創作之要義所在,亦不脫離本創 作之精神和範圍,故都應視為本創作的進一步實施狀況。 【圖式簡單說明】 圖一 A係為習用之模内轉印模具示意圖。 圖=B係為另一習用之IMR成品示意圖。 係為本創作之射出成形模具第一實施例示意圖。 立-係為圖—之模穴所成形之成形品與模穴區域關係 τ思、圖。 圖四係為賴作之彡财另-實❹!示意圖。 【主要元件符號說明】 轉印模具 Μ-公模 11- 斜銷 12- 母模 13- 進料流道 U-進料點 模穴 2 一射出成形模具 20- 第一模具 21- 斜銷 210-凸角結構 22- 第二模具 “、29-進料流道 230- 第一流道 231- 第二流道 232、291-曲道 M376415 290_第三流道 24-進料點 2 5 -成形模穴 250- 成形中間區域 251- 成形外圍區域 26- 薄膜 2 6 0 -油墨層 27- 薄膜輸送與接收模組 270- 輸送輪 271- 接收輪 28- 移動空間 3-殼體 30- 底板 31- 側板 3 2 _結構 90- 材料 91- 薄膜 9 2 -油墨層 10V. New description: [New technical field] This creation is related to a kind of forming mold, especially an injection molding die that moderates the speed of the material and the angle of the die.丨L machine [Prior Art] The technique of manufacturing a component is especially a recent one. As a general product, whether it is a consumer-grade computer or a daily necessities, as long as it is a plastic or a polymer product, it can be manufactured by means of forming. In the injection molding, the material is mainly injected into the hole through the flow passage, so that the fluid material can fill the cavity and be formed after the field is lowered. Recently, due to the demand for the quality of the molded product, the in-mold transfer: the technique has gradually emerged, and the in-mold transfer technology (in moldi叩(7)llep IMR) is a kind of processing for the exterior decoration of large-scale manufacturing. It belongs to the IMD (In Molding Decwation) in-mold decoration technology. Its advantage is that the plastic parts produced are beautiful in appearance, can have a variety of colors, and a variety of patterns are more wear-resistant than the paint-coated outer casing, and the brightness is higher. Production, high production efficiency 'no pollution, high precision printing, can transfer more complex patterns. Especially suitable for the outer surface of the product. Λ However, as shown in Fig. 1 , the figure is a conventional in-mold transfer mold and a schematic view. The conventional in-mold transfer mold includes a male mold 1 一, a ' oblique pin 11' and a female mold 12. The male mold and the skew pin have a feed flow path 13 which provides material 90 to flow from the feed point μ. Between the master mold 12 and the male / 041!) t 10 and the oblique pin 11, there is a cavity 15, which is provided with a material 90. The film has a film 91 in the cavity 15, which is an IMR film. The film 91 has a layer of ink layer 92' which is capable of transferring the ink layer onto the surface of the molded article during the forming process. However, in this conventional technique, the material passage 13 directly corresponds to the ink layer 92, so that the high-speed and high-temperature material flow via the feed flow path 13 directly impinges on the film 91, and the film 91 is destroyed. The ink layer 92 forms a defect of breaking ink, which in turn affects the quality of the molded article in the future. In order to overcome the problem of Figure 1A, as shown in Figure 1B, this figure is a schematic diagram of another conventional IMR product. In this technical order, the feed point is set to the side of the mold to form a molded article 93. In Fig. 1B, although the feed point 14 is disposed on the side, the problem of ink breakage can be avoided because the structure of the workpiece 93 at the edge due to the feeding position, such as: hooks, grooves, ribs or It is a structure such as a through hole, and it cannot be designed and formed. It is not suitable for a molded case that requires a structure at the edge of the finished product. For example, in combination with the above, there is a need for a problem caused by injection molding. Fresh S technology [new content] In view of the above-mentioned lack of the above-mentioned conventional techniques, the present invention provides a forming mold which is connected to a reliance hole by a flow path having curvature, and enters the cavity from the material in the flow path. The flow rate and angle are such that the ink layer on the film is directly impaired, so that the unsealing process of the ink layer is damaged, which affects the quality of the molded article. θ injection into the implementation of the implementation of the wealth, the creation provides a kind of injection molding die, which is a first mold; a skew pin, which is disposed on one side of the 筮 捃 捃 ★ ★ a first mold _ into a feed flow passage 'the (10) flow passage includes a curved track having a curvature; a second mold 'these is disposed on the first mold and one side of the oblique pin, the first mold and the s A molding die is formed between the first mold and the oblique pin and connected to the curved track; and a film is disposed in the forming cavity. In another embodiment, the feed flow path further has a first flow path and a first flow path, the first flow path is connected to a feed point, and the first flow path is connected to the first flow path and the curved Road. Wherein, in another embodiment, the feed flow path further has a third flow channel which is respectively connected to a feed point and the curved track. [Embodiment] In order to enable your review committee to have a better understanding and understanding of the features, purposes and functions of this creation, the following is a detailed description of the detailed structure of the device and the original idea of the concept, so that the review committee The characteristics of this creation can be understood, and the detailed description is as follows: Please refer to the figure shown in Figure 2, which is a schematic diagram of the first embodiment of the injection molding die of the present invention. In the present embodiment, the injection molding die 2 has a first die 20, a skew pin 21, and a second die 22. The oblique pin 21 M376415 is disposed on one side of the first mold 20, and the oblique pin 21 forms a feed flow path 23 with the first mold 20, and the feed flow path 23 includes a first flow path 230, A second flow path 231 and a track 232 having a curvature. The first flow path 230 is connected to a feed point 24, and the fluid material 90 required for injection molding flows into the first flow path 230 via the feed point 24. The first flow path 230 is connected to the second flow path 231 such that the first flow path 230 and the second flow path 231 form an approximately L-shaped flow path. The second flow path 231 is further connected to the curved track 232. The curved track 232 has a radius of curvature R or is composed of a plurality of radii of curvature. The second mold 22 is disposed on one side of the first mold 20 and the skewer 21, and the second mold 22 is formed with the first mold 20 and the oblique pin 21 with the curved track 232. One of the forming cavities 25 is connected. Also formed in the forming cavity 25 is a film 26 which is an IMR film having an ink layer 260 thereon. In the present embodiment, the film 26 is provided by a film transport and receiving module 27 disposed on both sides of the injection molding die 2. The film transport and receiving module 27 has a transport wheel 270 and a receiving wheel 271. Wherein the transfer wheel 270 provides a film that has not been used, and the receiving wheel retracts the used film from the forming cavity 25 that has been transferred to the molded article. Please refer to Fig. 2 and Fig. 3 at the same time. The figure 3 is the relationship between the molded product formed by the cavity of Fig. 2 and the cavity area. It is to be noted that the object corresponding to the forming cavity 25 of the embodiment of Fig. 2 is the cavity of the casing 3 in the figure. In this embodiment, the housing 3 has a bottom plate 30 and a side plate 31 disposed around the bottom plate. The forming cavity 25 further includes an intermediate portion 250 corresponding to one of the bottom plates 30 and a corresponding one of the side plates 31. The peripheral region 251 is formed. At least one structure 32 is provided on one side of the position at which the bottom plate 30 is connected to the side plate 31. The structure 32 of the present embodiment is a rib of the reinforcing structure, but is not limited thereto, for example, a cylinder capable of forming a screw hole, or a hook structure or the like may be an embodiment of the authoring structure 32. As can be seen from Figure 3, the curved track 232 is connected to the shaped intermediate region 250. Such a design not only avoids breaking the ink, but also provides the space required to form the structure 32 around the side panels 31. Returning to Fig. 2, since the curved track 232 has a radius of curvature, the material flowing into the forming cavity 25 from the curved track 23 can be caused by the curved passage of the flow path. The flow rate is buffered, and the radius of curvature of the curved track 23 is such that the exit of the curved track does not directly impinge on the ink layer 260 by 90 degrees. For example, in FIG. 2, the angle between the material 90 flowing out of the curved track 232 and the ink layer 260 is less than 90 degrees, which prevents the material 90 from directly impacting the ink layer 260, so that the ink layer 260 does not raise the problem of breaking the ink, and thus maintains. The quality of the molded product. It should be noted that the purpose of setting the skew pin 21 in this creation is that the arrangement of the curve φ 232 causes the ridge 232 and the forming cavity 25 to have a lobed structure 210, plus the arrangement of the first flow path 230, Therefore, if the skew pin 21 is not provided, there is a problem that the subsequent molded article cannot be smoothly released. Therefore, by the design of the artificial skew pin 21, not only the speed of the material 90 can be alleviated, but also the force of the impact ink layer 260 can be reduced, and the molded product can be demolded in the future. In Fig. 2, one side of the oblique pin 21 has a moving space 28, so that the moving space 28 can provide the space required for the oblique pin 21 to move laterally after the injection molding is completed. The stroke required for the side shift of the skew pin is the sum (a + b) of the distance b between the length b of the first flow path and the convex structure 210. 7 M376415 Please refer to FIG. 4, which is a schematic view of another embodiment of the injection molding die of the present invention. In this embodiment, basically similar to FIG. 2, the difference is that the feed flow path 29 of the embodiment has a third flow path 290 and a curved track 291, and the third flow path 290 is respectively The material point 24 and the curved track 291 are connected. The feature of the curved track 291 is the same as that of the curved track 232 of FIG. 2 and will not be described herein. The creation of this embodiment is a design that is made when the moving space 28 beside the skew pin 21 is insufficient. In the case where the moving space 28 is insufficient, the third flow path 290 is designed as a linear flow path, so that the oblique pin only needs to move the stroke of the length a of the convex structure 210 between the curved track 291 and the forming cavity 25 to smoothly Demoulding. Therefore, by designing the feed channel 29 of the present invention, not only the speed of the material 90 can be alleviated, but also the strength of the impact ink layer 260 can be reduced, and the molded article can be demoulded in the future. However, the above is only an embodiment of the present creation, and the scope of the creation cannot be limited. That is to say, the equal changes and modifications made by the applicants in accordance with the scope of the patent application for this creation will not lose the essence of the creation, and will not deviate from the spirit and scope of the creation, so it should be regarded as the further implementation of the creation. [Simple description of the drawing] Figure 1 is a schematic diagram of the in-mold transfer mold. Figure = B is a schematic diagram of another conventional IMR product. The schematic diagram of the first embodiment of the injection molding die of the present invention. The vertical-system is a relationship between the molded product formed by the mold hole and the cavity area. Figure 4 is a picture of the wealth of the work. [Main component symbol description] Transfer mold Μ - male mold 11 - oblique pin 12 - female mold 13 - feed flow path U - feed point mold hole 2 one injection molding die 20 - first mold 21 - oblique pin 210- Lobe structure 22 - second mold ", 29 - feed flow path 230 - first flow path 231 - second flow path 232, 291 - track M376415 290_ third flow path 24 - feed point 2 5 - forming die Hole 250 - Forming intermediate region 251 - Forming peripheral region 26 - Film 2 6 0 - Ink layer 27 - Film conveying and receiving module 270 - Conveying wheel 271 - Receiving wheel 28 - Moving space 3 - Housing 30 - Base plate 31 - Side plate 3 2 _structure 90 - material 91 - film 9 2 - ink layer 10

Claims (1)

六、申請專利範圍·· L 一種射出成形模具,其係包括有· —第一模具; 斜銷,其係設置於該第一模具之一側,該斜銷與該 第一模具間形成一進料流道,該進料流道包括有具 有曲率之一曲道; 一第二模具,其係設置於該第一模具以及該斜銷之一 側,S亥第二模具與該第一模具以及該斜銷之間形成 有與該曲道相連接之一成形模穴;以及 一薄膜,其係容置於該成形模穴内。 2·如申請專利範圍第1項所述之射出成形模具,其中該成 7模穴係為對應一殼體之模穴,該殼體具有一底板以及 環》又於a亥底板周圍之側板,該成形模穴更包括有對應該 底板之一成形中間區域以及對應該側板之一成形外圍 區域。 3·如申請專利範圍第2項所述之射出成形模具其中該曲 道係與該成形中間區域相連接。 4·如申請專利範圍第2項所述之射出成形模具,其中該殼 體之底板與該侧板連接之位置的一側更具有至少一鲈 構。 '、夕、’·° 5. 如申請專利範圍第1項所述之射出成形模具,其中該模 穴内更具有一模内轉印(in mold r〇iler,IMR)薄膜。 6. 如申請專利範圍第1項所述之射出成形模具,其中該進 料流道更具有一第一流道以及一第二流道,該第一流道 曲、、首進料點相達接,該第二流道達接該第-流道以及該 7’二專形模W 曲道相連接。 /、’、刀別與一進料點以及該 8·如申請專利範圍第^所述之 銷之一側更具有一移動空間。 成形模具,其中該斜 126. Patent application scope·· L An injection molding die includes a first mold; a skew pin disposed on one side of the first mold, and the oblique pin forms a gap with the first mold a flow channel comprising a curved track having a curvature; a second mold disposed on the first mold and one side of the oblique pin, the second mold and the first mold and A forming cavity is formed between the skew pins and connected to the curved track; and a film is disposed in the forming cavity. 2. The injection molding die according to claim 1, wherein the 7-cavity is a cavity corresponding to a casing, and the casing has a bottom plate and a side plate which is surrounded by a bottom plate. The forming cavity further includes a shaped intermediate region corresponding to one of the bottom plates and a peripheral peripheral region corresponding to one of the side plates. 3. The injection molding die of claim 2, wherein the curve is connected to the shaped intermediate region. 4. The injection molding die of claim 2, wherein one side of the bottom plate of the casing is connected to the side plate at least one side. 5. The injection molding die according to claim 1, wherein the cavity has an in-mold transfer (IMR) film. 6. The injection molding die according to claim 1, wherein the feed flow path further has a first flow path and a second flow path, and the first flow path and the first feed point are connected to each other. The second flow path is connected to the first flow path and the 7' two-shaped mold W curve. /, ', the knife and a feed point and the side of the pin as described in the patent application scope ^ has a more moving space. Forming mold, wherein the slope 12
TW98221744U 2009-10-02 2009-10-02 Injecting molding mold TWM376415U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI563898B (en) * 2014-07-03 2016-12-21 Htc Corp Method of fabricating housing and housing
US9582029B2 (en) 2014-07-03 2017-02-28 Htc Corporation Method of fabricating housing and housing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI563898B (en) * 2014-07-03 2016-12-21 Htc Corp Method of fabricating housing and housing
US9582029B2 (en) 2014-07-03 2017-02-28 Htc Corporation Method of fabricating housing and housing
US9713889B2 (en) 2014-07-03 2017-07-25 Htc Corporation Method of fabricating housing and housing

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