TW201726445A - Tire with stitched outer tire and manufacturing method of tire which is high in structural strength as well as simple and convenient in manufacturing processes - Google Patents

Tire with stitched outer tire and manufacturing method of tire which is high in structural strength as well as simple and convenient in manufacturing processes Download PDF

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TW201726445A
TW201726445A TW105101505A TW105101505A TW201726445A TW 201726445 A TW201726445 A TW 201726445A TW 105101505 A TW105101505 A TW 105101505A TW 105101505 A TW105101505 A TW 105101505A TW 201726445 A TW201726445 A TW 201726445A
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Taiwan
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tire
layer
pair
carcass
folds
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TW105101505A
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Chinese (zh)
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xi-ming Xie
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Innova Rubber Co Ltd
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Abstract

This invention discloses a tire with a stitched outer tire. The tire comprises an inner tire and an outer tire, and the outer tire comprises a tire body, a tread layer and a stitching thread. A manufacturing method of the tire comprises the steps: firstly, folding a tire body shaped like a sheet to enable the tire body to have a first folio part, a second folio part, an inner layer connected with the first folio part and the second folio part as well as a first outer layer and a second outer layer respectively extended from the first folio part and the second folio part to the two end edges of the tire body, wherein the first outer layer and the second outer layer are overlapped with each other and form a three-layer structure together with the inner layer; next, fixing a tread layer on the first outer layer and the second outer layer of the tire body, and covering the three-layer structure; then, curling the tire body into tubular shape to enable the first folio part to be in contact with the second folio part, and placing the inner tire into the inner layer of the tire body; and then, mutually stitching the first folio part and the second folio part of the tire body by using a stitching thread. Accordingly, the tire is high in structural strength as well as simple and convenient in manufacturing processes.

Description

具有縫合式外胎之輪胎及其製造方法Tire with stitched tire and method of manufacturing same

本發明係與用於自行車、三輪車、單輪車等等之輪胎有關,特別是關於一種具有縫合式外胎之輪胎及其製造方法。The present invention relates to tires for bicycles, tricycles, unicycles, and the like, and more particularly to a tire having a stitched tire casing and a method of manufacturing the same.

請參閱第1圖,第1圖為習用之具有縫合式外胎之輪胎10的剖視示意圖,該輪胎10主要包含有一內胎11(材質為橡膠)以及一外胎12,且該外胎12包含有一包覆該內胎11之紗布層13、一固定於該紗布層13局部之胎面層14(材質為橡膠),以及一設於該胎面層14與該紗布層13之間的緩衝層15(材質為紗布)。該輪胎10之製造過程中,係先將該紗布層13攤平並將其兩側反折一小段而使二反折處132分別為一雙層結構,再依序將該緩衝層15及該胎面層14固定於該紗布層13,如此之攤平的外胎12先經由硫化後再捲曲成管狀,然後,將該內胎11放置於該外胎12內之後,再藉由一縫線16將該二反折處132相互縫合,最後將該輪胎10連接成圓環形即完成該輪胎10之製造,經由一噴嘴(圖中未示)將空氣打入該內胎11即可使該輪胎10之剖面呈第1圖所示之形狀。Please refer to FIG. 1. FIG. 1 is a schematic cross-sectional view of a conventional tire 10 having a suture type tire. The tire 10 mainly includes a inner tube 11 (made of rubber) and a tire 12, and the tire 12 includes a coating. a gauze layer 13 of the inner tube 11 , a tread layer 14 (made of rubber) fixed to the gauze layer 13 , and a buffer layer 15 disposed between the tread layer 14 and the gauze layer 13 gauze). In the manufacturing process of the tire 10, the gauze layer 13 is first flattened and the two sides are folded back a small section to make the two reflexed portions 132 a double-layer structure, and the buffer layer 15 and the same are sequentially The tread layer 14 is fixed to the gauze layer 13, and the flattened tire 12 is first crimped into a tubular shape by vulcanization, and then the inner tube 11 is placed in the casing 12, and then the suture 16 is used to The two reflexed portions 132 are sewn to each other, and finally the tire 10 is connected in a circular shape to complete the manufacture of the tire 10. The air is driven into the inner tube 11 via a nozzle (not shown) to make the tire 10 cross-section. It is in the shape shown in Figure 1.

前述之輪胎10因外胎12經縫合成管狀而結構強度較佳,通常應用於競速自行車。然而,雖然該紗布層13之縫合處(亦即該二反折處132)為雙層結構而具有相當強度,但該紗布層13其他部位僅為單層結構而結構強度較差,因此該輪胎10之胎冠17(亦即與地面接觸之處)需另設該緩衝層15,以避免胎冠17強度不足以及容易刺穿,如此不但製造程序較繁複且結構強度並非相當良好。此外,該紗布層13及該緩衝層15因與該胎面層14材質相異而難以穩固結合,因此該紗布層13及該緩衝層15上需先覆蓋一層橡膠才可與該胎面層14相結合,使得該輪胎10之製造程序更為繁複。The aforementioned tire 10 is preferably applied to a racing bicycle because the tire casing 12 is sewn into a tubular shape and has a good structural strength. However, although the seam of the gauze layer 13 (that is, the two folds 132) has a double-layer structure and has considerable strength, the other portions of the gauze layer 13 are only a single-layer structure and the structural strength is poor, so the tire 10 The crown layer 17 (i.e., where it is in contact with the ground) is additionally provided with the buffer layer 15 to avoid insufficient strength and easy piercing of the crown 17, so that the manufacturing process is complicated and the structural strength is not quite good. In addition, the gauze layer 13 and the buffer layer 15 are difficult to be firmly combined due to the material of the tread layer 14. Therefore, the gauze layer 13 and the buffer layer 15 need to be covered with a layer of rubber before the tread layer 14 can be used. The combination makes the manufacturing process of the tire 10 more complicated.

市面上亦有另一種外胎呈管狀之輪胎,其紗布層上、下表面皆覆有橡膠,在將胎面層貼覆在該紗布層之橡膠表面上之後,覆有橡膠之紗布層係捲曲成管狀並產生一交疊處,再放入一模具內加熱、加壓而使該交疊處黏合固定,如此即可不需再縫合該外胎,然而,此製造方式成本高、良率低,且輪胎易撕裂。There is another tire in the market which has a tubular tire. The upper and lower surfaces of the gauze layer are covered with rubber. After the tread layer is applied to the rubber surface of the gauze layer, the rubber gauze layer is crimped into a layer. Tubular and creating an overlap, and then placed in a mold to heat and press to bond the overlap, so that the tire can be stitched without further sewing, however, the manufacturing method is high in cost, low in yield, and tire Easy to tear.

有鑑於上述缺失,本發明之主要目的在於提供一種具有縫合式外胎之輪胎,其結構強度良好且製造程序較為簡便。In view of the above-mentioned deficiencies, the main object of the present invention is to provide a tire having a stitched tire having a good structural strength and a relatively simple manufacturing process.

為達成上述目的,本發明所提供之具有縫合式外胎之輪胎包含有一外胎及一內胎,該外胎包含有一胎體、一胎面層以及一縫線。該胎體具有一第一端緣及一第二端緣,且係自該第一端緣呈弧形並捲曲地延伸至該第二端緣,並形成出呈捲曲對折狀之一第一對折部及一第二對折部、一連接該第一對折部與該第二對折部之內層、一自該第一對折部延伸至該第一端緣之第一外層,以及一自該第二對折部延伸至該第二端緣之第二外層,該第一外層具有一鄰接該第一端緣之第一端部,該第二外層具有一鄰接該第二端緣之第二端部,該第一端部及該第二端部係相互交疊且與該內層的一部分共同形成一三層結構。該胎面層係固定於該胎體之第一外層及第二外層且覆蓋該三層結構。該縫線係將該胎體之第一對折部及第二對折部相互縫合。該內胎係設於該胎體之內層內。To achieve the above object, a tire having a stitched tire according to the present invention comprises a tire casing and an inner tube, the tire casing comprising a carcass, a tread layer and a suture. The carcass has a first end edge and a second end edge, and is curved from the first end edge and extends to the second end edge in a curled manner, and forms a first fold in a curled pair shape. And a second pair of folds, an inner layer connecting the first pair of folds and the second pair of folds, a first outer layer extending from the first pair of folds to the first end edge, and a second outer layer a second outer layer extending to the second end edge, the first outer layer having a first end adjacent to the first end edge, the second outer layer having a second end adjacent the second end edge, The first end portion and the second end portion overlap each other and form a three-layer structure together with a portion of the inner layer. The tread layer is fixed to the first outer layer and the second outer layer of the carcass and covers the three-layer structure. The stitching sutures the first folded portion and the second folded portion of the carcass. The inner tube is disposed within the inner layer of the carcass.

藉此,該胎體不但在該輪胎之胎冠(亦即設有該胎面層、用以與地面接觸之處)有三層結構,且其他部位皆為兩層結構,因此,該胎體與該胎面層之間不需另外設置緩衝層,該胎體本身即已較習用者有更為良好之結構強度,由於不需設置緩衝層,本發明之輪胎的製造程序係較為簡便。Thereby, the carcass has a three-layer structure not only in the crown of the tire (that is, where the tread layer is provided for contact with the ground), and the other parts are two-layer structure, and therefore, the carcass and There is no need to additionally provide a buffer layer between the tread layers, and the carcass itself has a better structural strength than the conventional one. Since the buffer layer is not required, the manufacturing process of the tire of the present invention is relatively simple.

本發明之另一目的在於提供如前述之具有縫合式外胎之輪胎的製造方法。Another object of the present invention is to provide a method of manufacturing a tire having a sewn tire according to the foregoing.

為達成上述目的,本發明所提供之具有縫合式外胎之輪胎的製造方法包含有下列步驟:In order to achieve the above object, a method for manufacturing a tire having a stitched tire according to the present invention comprises the following steps:

a. 折疊一呈薄片狀之胎體而使得該胎體具有呈捲曲對折狀之一第一對折部及一第二對折部、一連接該第一對折部與該第二對折部之內層、一自該第一對折部延伸至該胎體一第一端緣之第一外層,以及一自該第二對折部延伸至該胎體一第二端緣之第二外層,該第一外層之一鄰接該第一端緣之第一端部及該第二外層之一鄰接該第二端緣之第二端部係相互交疊且與該內層的一部分共同形成一三層結構;a folding a carcass in the form of a sheet such that the carcass has a first pair of folds and a second pair of folds in a curled pair shape, and an inner layer connecting the first pair of folds and the second pair of folds, a first outer layer extending from the first pair of folds to a first end edge of the carcass, and a second outer layer extending from the second pair of folds to a second end edge of the carcass, the first outer layer a first end portion adjacent to the first end edge and a second end portion of the second outer layer adjacent to the second end edge overlap each other and form a three-layer structure together with a portion of the inner layer;

b. 將一胎面層固定於該胎體之第一外層及第二外層並覆蓋該三層結構;b. fixing a tread layer to the first outer layer and the second outer layer of the carcass and covering the three-layer structure;

c. 將該胎體捲曲成管狀而使其第一對折部與第二對折部相接觸,並將一內胎設置於該胎體之內層內;以及c. crimping the carcass into a tubular shape such that the first pair of folded portions are in contact with the second pair of folded portions, and an inner tube is disposed within the inner layer of the carcass;

d. 以一縫線將該胎體之第一對折部及第二對折部相互縫合。d. Sewing the first pair of folds and the second pair of folds of the carcass with a stitch.

較佳地,該步驟a中可更將二補強芯分別設於該第一對折部內及該第二對折部內。亦即,本發明之輪胎的外胎可更包含有二補強芯,該二補強芯係分別設於該第一對折部內及該第二對折部內,藉以增強第一、二對折部之結構強度。Preferably, in the step a, the two reinforcing cores are respectively disposed in the first pair of folded portions and the second pair of folded portions. That is, the tire casing of the tire of the present invention may further include two reinforcing cores respectively disposed in the first pair of folded portions and the second pair of folded portions to enhance the structural strength of the first and second pairs of folded portions.

較佳地,該胎體之材質可為橡膠,或者,該胎體可包含有二橡膠層,以及一設於該二橡膠層之間的織布。藉此,該胎體不需再覆蓋一層橡膠,即可與該胎面層相互結合固定,使得輪胎之製造程序更為簡便。此外,在該胎體包含有織布的情況下,該織布之織線可非平行於且非垂直於該輪胎之一赤道線,藉以更加強該輪胎之結構強度。Preferably, the material of the carcass may be rubber, or the carcass may comprise two rubber layers and a woven fabric disposed between the two rubber layers. Thereby, the carcass can be combined with the tread layer without further covering a layer of rubber, so that the manufacturing process of the tire is simpler. Further, in the case where the carcass contains a woven fabric, the woven fabric may be non-parallel to and non-perpendicular to one of the equator lines of the tire, thereby further enhancing the structural strength of the tire.

有關本發明所提供之具有縫合式外胎之輪胎及其製造方法的詳細構造、特點、組裝或使用方式,將於後續的實施方式詳細說明中予以描述。然而,在本發明領域中具有通常知識者應能瞭解,該等詳細說明以及實施本發明所列舉的特定實施例,僅係用於說明本發明,並非用以限制本發明之專利申請範圍。The detailed construction, features, assembly or use of the tire having the stitched tire according to the present invention and the method of manufacturing the same will be described in the detailed description of the subsequent embodiments. However, it should be understood by those of ordinary skill in the art that the present invention is not limited by the scope of the invention.

申請人首先在此說明,在以下將要介紹之實施例以及圖式中,相同之參考號碼,表示相同或類似之元件或其結構特徵。The Applicant first describes the same or similar elements or structural features thereof in the embodiments and the drawings which will be described below.

請先參閱第2圖,第2圖為本發明一第一較佳實施例所提供之具有縫合式外胎之輪胎20的剖視示意圖,一般而言,輪胎20能定義出一假想之赤道線L(第4圖顯示赤道線L的一小段),該赤道線L係呈圓形且環繞輪胎20之中心,輪胎20係沿著該赤道線L延伸而呈圓環形,第2圖所示之剖面係垂直於該赤道線L。Please refer to FIG. 2, which is a cross-sectional view of a tire 20 having a stitched tire according to a first preferred embodiment of the present invention. Generally, the tire 20 can define an imaginary equator line L. (Fig. 4 shows a small section of the equator line L) which is circular and surrounds the center of the tire 20, and the tire 20 extends along the equator line L in a circular shape, as shown in Fig. 2 The profile is perpendicular to the equator line L.

該輪胎20包含有一內胎21及一外胎22,該外胎22包含有一胎體30、一胎面層40、一縫線50,以及二補強芯60。以下將說明該輪胎20之製造方法,並同時進一步說明該輪胎20之細部結構。該輪胎20之製造方法包含有下列步驟:The tire 20 includes a inner tube 21 and a tire casing 22. The tire casing 22 includes a carcass 30, a tread layer 40, a suture 50, and two reinforcing cores 60. The method of manufacturing the tire 20 will be described below, and the detailed structure of the tire 20 will be further described. The method of manufacturing the tire 20 includes the following steps:

a. 如第3圖所示,折疊呈薄片狀之胎體30而使得該胎體30具有呈捲曲對折狀之一第一對折部31及一第二對折部32、一連接該第一對折部31與該第二對折部32之內層33、一自該第一對折部31延伸至該胎體30一第一端緣34之第一外層35,以及一自該第二對折部32延伸至該胎體30一第二端緣36之第二外層37,該第一外層35之一鄰接該第一端緣34之第一端部352及該第二外層37之一鄰接該第二端緣36之第二端部372係相互交疊且與該內層33的一部分共同形成一三層結構38。As shown in FIG. 3, the carcass 30 is folded into a sheet shape such that the carcass 30 has a first folded portion 31 and a second folded portion 32 in a curled folded shape, and a first folded portion is connected 31 and an inner layer 33 of the second pair of folds 32, a first outer layer 35 extending from the first pair of folds 31 to a first end edge 34 of the carcass 30, and a second outer fold 32 extending from the second pair of folds 32 The second outer layer 37 of the second end edge 36 of the carcass 30, one of the first outer layers 35 adjoins the first end 352 of the first end edge 34 and one of the second outer layers 37 abuts the second end edge The second ends 372 of 36 overlap each other and form a three-layer structure 38 with a portion of the inner layer 33.

換言之,以第3圖之方向來看,此步驟a係將攤平之胎體30右側一區塊先向上折疊而形成該第一外層35疊置在該內層33上,左側一區塊再向上折疊而形成該第二外層37疊置在該內層33上且第二端部372疊置在第一端部352上。在本實施例中,該胎體30為一薄橡膠片,且在此步驟a中,更將該二補強芯60分別設於該第一對折部31內及該第二對折部32內,各該補強芯60可(但不限於)為一尼龍紗線。In other words, in the direction of FIG. 3, this step a is to fold a block on the right side of the flattened carcass 30 first to form the first outer layer 35 superposed on the inner layer 33, and the left side block is again The second outer layer 37 is folded up to form on the inner layer 33 and the second end 372 is superposed on the first end 352. In this embodiment, the carcass 30 is a thin rubber sheet, and in the step a, the two reinforcing cores 60 are respectively disposed in the first pair of folded portions 31 and the second pair of folded portions 32, respectively. The reinforcing core 60 can be, but is not limited to, a nylon yarn.

b. 如第3圖所示,將胎面層40固定於該胎體30之第一外層35及第二外層37並覆蓋該三層結構38。b. As shown in FIG. 3, the tread layer 40 is secured to the first outer layer 35 and the second outer layer 37 of the carcass 30 and covers the three layer structure 38.

該胎面層40之材質為橡膠,此步驟b可(但不限於)先將該胎面層40黏貼於該胎體30,再對該胎面層40及該胎體30進行硫化(Vulcanization),以強化其結構強度、彈性等等。The material of the tread layer 40 is rubber. The step b can be, but is not limited to, first bonding the tread layer 40 to the carcass 30, and then vulcanizing the tread layer 40 and the carcass 30. To strengthen its structural strength, flexibility and so on.

c. 如第2圖所示,將該胎體30捲曲成管狀而使其第一對折部31與第二對折部32相接觸,並將該內胎21設置於該胎體30之內層33內。c. As shown in FIG. 2, the carcass 30 is curled into a tubular shape such that the first pair of folded portions 31 are in contact with the second pair of folded portions 32, and the inner tube 21 is placed in the inner layer 33 of the carcass 30. .

值得一提的是,在輪胎20之製造過程中,該內胎21並未充氣,因此該內胎21不會如同第2圖所示地緊貼於該胎體30之內層33,第2圖係顯示該內胎21充氣後的態樣,以便說明。It is worth mentioning that during the manufacture of the tire 20, the inner tube 21 is not inflated, so the inner tube 21 does not adhere to the inner layer 33 of the carcass 30 as shown in Fig. 2, the second figure The state after the inner tube 21 is inflated is shown for explanation.

d. 以該縫線50將該胎體30之第一對折部31及第二對折部32相互縫合。d. The first folded portion 31 and the second folded portion 32 of the carcass 30 are sewn together with the stitch 50.

藉此,本發明之胎體30在該輪胎20的胎冠23(亦即設有該胎面層40、用以與地面接觸之處)有該三層結構38,而如第1圖所示之習用輪胎的胎體在胎冠僅為單層結構,即使另外設置一緩衝層,仍僅為兩層結構;而且,本發明之胎體30在該三層結構38以外的部位皆為兩層結構,而如第1圖所示之習用輪胎的胎體則僅為單層結構;因此,本發明之輪胎20較習用者有更為良好之結構強度。此外,該二補強芯60更可加強第一、二對折部31、32的結構強度;然而,本發明之輪胎不限制要設有補強芯60。Thereby, the carcass 30 of the present invention has the three-layer structure 38 in the crown 23 of the tire 20 (that is, where the tread layer 40 is provided for contact with the ground), as shown in FIG. The carcass of the conventional tire has only a single layer structure in the crown, and even if a buffer layer is additionally provided, it is only a two-layer structure; moreover, the carcass 30 of the present invention has two layers outside the three-layer structure 38. The structure of the tire of the conventional tire as shown in Fig. 1 is only a single layer structure; therefore, the tire 20 of the present invention has better structural strength than the conventional one. In addition, the two reinforcing cores 60 can further strengthen the structural strength of the first and second pair of folded portions 31, 32; however, the tire of the present invention is not limited to being provided with the reinforcing core 60.

本發明之輪胎20除了具有結構強度良好之優點,且該胎體30與該胎面層40之間不需設置緩衝層,因此製造程序較為簡便。而且,該胎體30係與該胎面層40材質相同,因此該胎體30不需再覆蓋一層橡膠,即可與該胎面層40相互結合固定,使得該輪胎20之製造程序更為簡便。The tire 20 of the present invention has the advantages of good structural strength, and a buffer layer is not required between the carcass 30 and the tread layer 40, so that the manufacturing process is relatively simple. Moreover, the carcass 30 is made of the same material as the tread layer 40. Therefore, the carcass 30 can be bonded to the tread layer 40 without covering a layer of rubber, so that the manufacturing process of the tire 20 is simpler. .

然而,本發明之輪胎的胎體不限制為單純由橡膠製造而成,例如亦可如第4圖及第5圖所示之本發明一第二較佳實施例所提供者。第4圖為第二較佳實施例所提供之輪胎20’的局部頂視圖,其中該胎體30’、該胎面層40及該二補強芯60係於不同位置截斷而顯示出其局部,以便說明,此外,第4圖中有局部為剖視態樣,以便顯示本實施例之胎體30’的結構特徵。第5圖係概為該輪胎20’垂直於該赤道線L的剖視圖,惟僅放大顯示胎冠處,以便顯示本實施例之結構特徵。However, the carcass of the tire of the present invention is not limited to being made of rubber alone, and may be provided, for example, as a second preferred embodiment of the present invention as shown in Figs. 4 and 5. Figure 4 is a partial top plan view of the tire 20' provided by the second preferred embodiment, wherein the carcass 30', the tread layer 40 and the two reinforcing cores 60 are cut at different positions to show a part thereof. For the sake of explanation, in addition, FIG. 4 has a partial cross-sectional view to show the structural features of the carcass 30' of the present embodiment. Fig. 5 is a cross-sectional view of the tire 20' perpendicular to the equator line L, except that the crown portion is enlarged to show the structural features of the embodiment.

本實施例之輪胎20’係類同於第一較佳實施例之輪胎20,惟本實施例之輪胎20’的胎體30’包含有二橡膠層72,以及一設於該二橡膠層72之間的織布74。藉此,本實施例亦可達成如同前述實施例中所述之功效,而且,該織布74具有多數織線742,該等織線742可非平行於該赤道線L且非垂直於該赤道線L,如此亦可加強該輪胎20’之結構強度。The tire 20' of the present embodiment is similar to the tire 20 of the first preferred embodiment, but the carcass 30' of the tire 20' of the present embodiment includes two rubber layers 72, and one of the two rubber layers 72. Between 74 weaving. Thereby, the embodiment can also achieve the effects as described in the foregoing embodiments, and the woven fabric 74 has a plurality of woven lines 742 which are non-parallel to the equator line L and non-perpendicular to the equator. The line L, in this way, also strengthens the structural strength of the tire 20'.

最後,必須再次說明,本發明於前揭實施例中所揭露的構成元件,僅為舉例說明,並非用來限制本案之範圍,其他等效元件的替代或變化,亦應為本案之申請專利範圍所涵蓋。Finally, it is to be noted that the constituent elements disclosed in the foregoing embodiments are merely illustrative and are not intended to limit the scope of the present invention, and alternative or variations of other equivalent elements should also be the scope of the patent application of the present application. Covered.

10‧‧‧輪胎
11‧‧‧內胎
12‧‧‧外胎
13‧‧‧紗布層
132‧‧‧反折處
14‧‧‧胎面層
15‧‧‧緩衝層
16‧‧‧縫線
17‧‧‧胎冠
20、20’ ‧‧‧輪胎
21‧‧‧內胎
22‧‧‧外胎
23‧‧‧胎冠
30、30’ ‧‧‧胎體
31‧‧‧第一對折部
32‧‧‧第二對折部
33‧‧‧內層
34‧‧‧第一端緣
35‧‧‧第一外層
352‧‧‧第一端部
36‧‧‧第二端緣
37‧‧‧第二外層
372‧‧‧第二端部
38‧‧‧三層結構
40‧‧‧胎面層
50‧‧‧縫線
60‧‧‧補強芯
72‧‧‧橡膠層
74‧‧‧織布
742‧‧‧織線
L‧‧‧赤道線
10‧‧‧ tires
11‧‧‧ inner tube
12‧‧‧Tire
13‧‧‧ gauze layer
132‧‧‧Reflexion
14‧‧‧Tread layer
15‧‧‧buffer layer
16‧‧‧ stitching
17‧‧‧ crown
20, 20' ‧ ‧ tires
21‧‧‧ inner tube
22‧‧‧Tire
23‧‧‧ crown
30, 30' ‧ ‧ carcass
31‧‧‧ first pair of folds
32‧‧‧Second fold
33‧‧‧ inner layer
34‧‧‧First end edge
35‧‧‧ first outer layer
352‧‧‧First end
36‧‧‧second edge
37‧‧‧ second outer layer
372‧‧‧second end
38‧‧‧Three-layer structure
40‧‧‧ tread layer
50‧‧‧ stitching
60‧‧‧ reinforcing core
72‧‧‧Rubber layer
74‧‧‧Weaving
742‧‧‧Weaving thread
L‧‧‧Equatorial line

第1圖為習用之具有縫合式外胎之輪胎的剖視示意圖; 第2圖為本發明一第一較佳實施例所提供之具有縫合式外胎之輪胎的剖視示意圖; 第3圖為一剖視示意圖,係顯示本發明該第一較佳實施例所提供之具有縫合式外胎之輪胎的製造方法之步驟a及步驟b; 第4圖為本發明一第二較佳實施例所提供之具有縫合式外胎之輪胎的局部剖視示意圖;以及 第5圖為本發明該第二較佳實施例所提供之具有縫合式外胎之輪胎的局部放大剖視示意圖。1 is a schematic cross-sectional view of a conventional tire having a stitched tire; FIG. 2 is a cross-sectional view showing a tire having a stitched tire according to a first preferred embodiment of the present invention; FIG. 4 is a view showing a step a and a step b of a manufacturing method of a tire having a sewn tire according to the first preferred embodiment of the present invention; FIG. 4 is a second preferred embodiment of the present invention. A partially cutaway schematic view of a tire of a stitched tire; and a fifth enlarged cross-sectional view of a tire having a stitched tire according to the second preferred embodiment of the present invention.

20‧‧‧輪胎 20‧‧‧ tires

21‧‧‧內胎 21‧‧‧ inner tube

22‧‧‧外胎 22‧‧‧Tire

23‧‧‧胎冠 23‧‧‧ crown

30‧‧‧胎體 30‧‧‧Carcass

31‧‧‧第一對折部 31‧‧‧ first pair of folds

32‧‧‧第二對折部 32‧‧‧Second fold

33‧‧‧內層 33‧‧‧ inner layer

34‧‧‧第一端緣 34‧‧‧First end edge

35‧‧‧第一外層 35‧‧‧ first outer layer

352‧‧‧第一端部 352‧‧‧First end

36‧‧‧第二端緣 36‧‧‧second edge

37‧‧‧第二外層 37‧‧‧ second outer layer

372‧‧‧第二端部 372‧‧‧second end

38‧‧‧三層結構 38‧‧‧Three-layer structure

40‧‧‧胎面層 40‧‧‧ tread layer

50‧‧‧縫線 50‧‧‧ stitching

60‧‧‧補強芯 60‧‧‧ reinforcing core

Claims (10)

一種具有縫合式外胎之輪胎,包含有: 一外胎,包含有: 一胎體,具有一第一端緣及一第二端緣,且係自該第一端緣呈弧形並捲曲地延伸至該第二端緣,並形成出呈捲曲對折狀之一第一對折部及一第二對折部、一連接該第一對折部與該第二對折部之內層、一自該第一對折部延伸至該第一端緣之第一外層,以及一自該第二對折部延伸至該第二端緣之第二外層,該第一外層具有一鄰接該第一端緣之第一端部,該第二外層具有一鄰接該第二端緣之第二端部,該第一端部及該第二端部係相互交疊且與該內層的一部分共同形成一三層結構; 一胎面層,係固定於該胎體之第一外層及第二外層且覆蓋該三層結構;以及 一縫線,係將該胎體之第一對折部及第二對折部相互縫合;以及 一內胎,係設於該胎體之內層內。A tire having a stitched tire, comprising: a tire comprising: a carcass having a first end edge and a second end edge, and extending from the first end edge in an arc shape and curled to The second end edge is formed with a first pair of folds and a second pair of folds in a curled pair shape, an inner layer connecting the first pair of folds and the second pair of folds, and a first pair of folds a first outer layer extending to the first end edge, and a second outer layer extending from the second pair of folds to the second end edge, the first outer layer having a first end adjacent the first end edge, The second outer layer has a second end portion adjacent to the second end edge, the first end portion and the second end portion overlap each other and form a three-layer structure together with a portion of the inner layer; a layer fixed to the first outer layer and the second outer layer of the carcass and covering the three-layer structure; and a suture for suturing the first pair of folds and the second pair of folds of the carcass; and an inner tube, It is placed in the inner layer of the carcass. 如申請專利範圍第1項所述之具有縫合式外胎之輪胎,其中該外胎更包含有二補強芯,該二補強芯係分別設於該第一對折部內及該第二對折部內。The tire having a stitched tire according to claim 1, wherein the tire further comprises two reinforcing cores respectively disposed in the first pair of folds and the second pair of folds. 如申請專利範圍第1項所述之具有縫合式外胎之輪胎,其中該胎體之材質為橡膠。A tire having a stitched tire according to claim 1, wherein the material of the carcass is rubber. 如申請專利範圍第1項所述之具有縫合式外胎之輪胎,其中該胎體包含有二橡膠層,以及一設於該二橡膠層之間的織布。A tire having a stitched tire according to claim 1, wherein the carcass comprises a second rubber layer and a woven fabric disposed between the two rubber layers. 如申請專利範圍第4項所述之具有縫合式外胎之輪胎,係能定義出一假想之赤道線,該織布具有多數織線,該等織線非平行於該赤道線且非垂直於該赤道線。A tire having a stitched tire according to claim 4, wherein an imaginary equator is defined, the woven fabric having a plurality of woven threads that are non-parallel to the equator and non-perpendicular to the tire Equator line. 一種具有縫合式外胎之輪胎的製造方法,包含有下列步驟: a. 折疊一呈薄片狀之胎體而使得該胎體具有呈捲曲對折狀之一第一對折部及一第二對折部、一連接該第一對折部與該第二對折部之內層、一自該第一對折部延伸至該胎體一第一端緣之第一外層,以及一自該第二對折部延伸至該胎體一第二端緣之第二外層,該第一外層之一鄰接該第一端緣之第一端部及該第二外層之一鄰接該第二端緣之第二端部係相互交疊且與該內層的一部分共同形成一三層結構; b. 將一胎面層固定於該胎體之第一外層及第二外層並覆蓋該三層結構; c. 將該胎體捲曲成管狀而使其第一對折部與第二對折部相接觸,並將一內胎設置於該胎體之內層內;以及 d. 以一縫線將該胎體之第一對折部及第二對折部相互縫合。A method for manufacturing a tire having a stitched tire includes the following steps: a. folding a carcass in the form of a sheet such that the carcass has a first folded portion and a second folded portion in a curled folded shape. Connecting an inner layer of the first pair of folds and the second pair of folds, a first outer layer extending from the first pair of folds to a first end edge of the carcass, and extending from the second pair of folds to the tire a second outer layer of the second end edge, the first end of the first outer layer abutting the first end of the first end and the second end of the second outer layer adjoining the second end of the second end And forming a three-layer structure together with a portion of the inner layer; b. fixing a tread layer to the first outer layer and the second outer layer of the carcass and covering the three-layer structure; c. crimping the carcass into a tubular shape And the first pair of folded portions are in contact with the second pair of folded portions, and an inner tube is disposed in the inner layer of the carcass; and d. the first pair of folded portions and the second pair of folded portions of the carcass are separated by a stitch Sewn to each other. 如申請專利範圍第6項所述之具有縫合式外胎之輪胎的製造方法,其中該步驟a中更將二補強芯分別設於該第一對折部內及該第二對折部內。The method for manufacturing a tire having a stitched tire according to claim 6, wherein in the step a, the two reinforcing cores are respectively disposed in the first pair of folded portions and the second folded portion. 如申請專利範圍第6項所述之具有縫合式外胎之輪胎的製造方法,其中該胎體之材質為橡膠。The method for manufacturing a tire having a stitched tire according to claim 6, wherein the material of the carcass is rubber. 如申請專利範圍第6項所述之具有縫合式外胎之輪胎的製造方法,其中該胎體包含有二橡膠層,以及一設於該二橡膠層之間的織布。The method of manufacturing a tire having a stitched tire according to claim 6, wherein the carcass comprises a second rubber layer and a woven fabric disposed between the two rubber layers. 如申請專利範圍第9項所述之具有縫合式外胎之輪胎,係能定義出一假想之赤道線,該織布具有多數織線,該等織線非平行於該赤道線且非垂直於該赤道線。A tire having a stitched tire according to claim 9 is capable of defining an imaginary equator having a plurality of woven threads which are non-parallel to the equator and non-perpendicular to the tire Equator line.
TW105101505A 2016-01-19 2016-01-19 Tire with stitched outer tire and manufacturing method of tire which is high in structural strength as well as simple and convenient in manufacturing processes TW201726445A (en)

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