TWM518958U - Dust removal roller device - Google Patents
Dust removal roller device Download PDFInfo
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- TWM518958U TWM518958U TW104209187U TW104209187U TWM518958U TW M518958 U TWM518958 U TW M518958U TW 104209187 U TW104209187 U TW 104209187U TW 104209187 U TW104209187 U TW 104209187U TW M518958 U TWM518958 U TW M518958U
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Description
本創作係有關於一種除塵滾筒裝置;特別是指一種滾筒轉動和除塵帶的進給,配合裁刀在一參考軸上移動,而形成多個斜向裁切線和除塵片段捲繞滾筒之技術者。 The present invention relates to a dust removing roller device; in particular, to a drum rotation and a feeding of a dust removing belt, and a technician who moves the cutting knife on a reference axis to form a plurality of oblique cutting lines and a dust removing segment winding roller; .
請參考第1圖,讓印刷電路板90或其類似物通過合成橡膠構成的轉動輥91之間,使轉動輥91黏附電路板90表面的灰塵等,再應用除塵滾筒92黏附轉動輥91上的灰塵,而達到清除灰塵的裝置或方法,係已為習知技藝。例如,台灣第89217411號「印刷電路板板面清潔機」、第97111829號「除塵用滾筒的製造方法」及第92210496號「電路板清潔機之結構改良」專利案等,係提供了典型的實施例。 Referring to FIG. 1, the printed circuit board 90 or the like is passed between the rotating rollers 91 made of synthetic rubber, the rotating roller 91 is adhered to the surface of the circuit board 90, and the dust is applied to the rotating roller 91 by the dust removing roller 92. Dust, which is a known device or method, that achieves dust removal. For example, Taiwan No. 89291411 "Printed Circuit Board Surface Cleaner", No. 97111829 "Manufacturing Method of Dust Removal Roller" and No. 92210496 "Circuit Board Cleaner Structure Improvement" Patent Case provide typical implementation. example.
實務上,除塵滾筒表面捲繞了多個黏著帶,每個黏著帶的結構是在一基體材料(例如,紙、塑料薄膜…等)的兩個表面上,分別布置黏膠層和離型層所構成,然後捲繞在滾筒上。當除塵滾筒或黏膠層黏附了較多的灰塵後,人員可撕掉一個黏著帶,讓乾淨的下一個黏著帶執行黏附轉動輥上的灰塵的作業。 In practice, the surface of the dust removing roller is wound with a plurality of adhesive tapes, and each adhesive tape is structured on two surfaces of a base material (for example, paper, plastic film, etc.), and an adhesive layer and a release layer are respectively disposed. It is constructed and then wound on a drum. When the dust removing roller or the adhesive layer adheres to more dust, the person can tear off an adhesive tape and let the clean next adhesive tape perform the work of adhering the dust on the rotating roller.
一個有關這類除塵滾筒在結構和製造方面的課題是,黏著帶捲繞在滾筒上時,因為黏著帶捲繞或進給形成的張力情形,每一個黏著帶的切割線之間會形成間隔或缺口,使得每一個黏著帶無法確實的彼此鄰接。 A related problem in the construction and manufacture of such a dust removing roller is that when the adhesive tape is wound on the roller, a gap is formed between the cutting lines of each adhesive tape due to the tension formed by the winding or winding of the adhesive tape. The gaps make it impossible for each adhesive tape to abut each other.
舉例來說,第97111829號「除塵用滾筒的製造方法」一案,是將黏著帶裁切成長形片段的結構;為了讓每一個黏著帶在裁切作業的過程,可以連續、緊密的捲繞在滾筒上,黏著帶的兩邊必須預留非切斷部分或寬度,藉由這些裁刀不能切斷的部分,使每一個黏著帶可連續的捲繞在滾筒上。然後,再經由鍘刀縱切機(slitter)切斷滾筒兩端及捲繞在滾筒兩端的黏著帶非切斷部分,而完成一除塵滾筒。 For example, the case of "manufacturing method of dust removing drum" No. 97111829 is a structure in which an adhesive tape is cut into a long-shaped segment; in order to allow each adhesive tape to be wound in a continuous and tight process during the cutting operation, On the drum, the non-cut portions or widths must be reserved on both sides of the adhesive tape, and each of the adhesive tapes can be continuously wound on the drum by the portions which the cutters cannot cut. Then, a dust removing roller is completed by cutting the both ends of the drum and the non-cut portions of the adhesive tape wound at both ends of the drum through a slitter slitter.
就像那些熟習此技藝的人所知悉,當滾筒拉著黏著帶兩邊的非切斷部分移動捲繞,產生一張力作用;這時,裁刀橫向裁切的部位因為張力拉扯,使前、後鄰接的兩個黏著帶之間產生缺口,每一個黏著帶之間無法獲得確實鄰接的型態;這會影響黏著帶捲繞在滾筒上的圓滑度和規則性,造成後續除塵滾筒黏附灰塵的能力或除塵滾筒與上述轉動輥91的配合變得不理想,而這種情形並不是我們所期望的。 As those skilled in the art know, when the roller pulls the non-cutting portion on both sides of the adhesive tape to move and wind, a force is generated; at this time, the laterally cut portion of the cutter is pulled by the tension, so that the front and the rear are adjacent. There is a gap between the two adhesive strips, and each of the adhesive strips cannot obtain a positively adjacent pattern; this affects the smoothness and regularity of the adhesive tape wound on the roller, and the ability of the subsequent dust removing roller to adhere to dust or dust removal. The cooperation of the drum with the above-described rotating roller 91 becomes unsatisfactory, and this situation is not desirable.
代表性的來說,這些參考資料顯示了有關除塵滾筒或黏著帶和其相關結合組件,在使用和結構設計方面的情形。如果重行設計考量該除塵滾筒和相關組件結構,以及上述的應用情形,使其不同於習用者,將可改變它的使用型態,增加它的結構和製造作業方面的簡便性,而有別於舊法。例如,在相較於習知技藝而言,使該黏著帶在裁切過程,因為張力的作用使每一個黏著帶無法獲得確實鄰接的情形,被儘可能的降到最低,而有助於裁切作業的進程;或進一步改善舊法影響黏著帶捲繞在滾筒上的圓滑度和規則性,造成後續除塵滾筒黏附灰塵的能力變得不理想、人員不易剝離使用過的黏著帶或發生重複剝離黏著帶等情形。而這些課題在上述的參考資料中均未被具體教示或揭露。 Typically, these references show the use and structural design of the dusting drum or adhesive tape and its associated components. If the re-design considers the structure of the dust-removing roller and related components, as well as the above-mentioned application, making it different from the conventional one, it will change its use type, increase its structure and ease of manufacturing work, and be different from Old law. For example, in the process of cutting, the adhesive tape is cut in the cutting process, because the effect of the tension makes it impossible for each adhesive tape to obtain a true abutment, and is minimized as much as possible. The progress of the cutting operation; or further improvement of the old method affects the smoothness and regularity of the adhesive tape wound on the drum, resulting in the unsatisfactory ability of the subsequent dust removing roller to adhere to the dust, the person not easily peeling off the used adhesive tape or the repeated peeling Adhesive belt and so on. None of these topics have been specifically taught or disclosed in the above references.
爰是,本創作之主要目的即在於提供一種除塵滾筒裝置,提供一除塵結構配置和裁切作業更理想之作用;包括滾筒和配置在滾筒上的多個除塵片段的組合。提供一除塵帶的進給作業,配合裁刀在一參考軸上移動,而形成多個斜向裁切線和前、後鄰接的除塵片段,連續的捲繞在滾筒上。以及,除塵片段依據捲繞在滾筒圓周上的位置,使後一除塵片段的斜向裁切線和前一除塵片段的斜向裁切線位在不同位置上,構成除塵滾筒總成;改善舊法除塵帶結構和無法彼此確實鄰接的情形。 Therefore, the main purpose of the present invention is to provide a dust removing roller device which provides a dust collecting structure configuration and a cutting operation which is more desirable; and includes a combination of a drum and a plurality of dust removing segments disposed on the drum. A feeding operation of the dust removing belt is provided, and the cutting knife is moved on a reference shaft to form a plurality of oblique cutting lines and front and rear adjacent dust removing segments, which are continuously wound on the drum. And, according to the position of the dust-removing segment wound on the circumference of the drum, the oblique cutting line of the latter dust-removing segment and the oblique cutting line of the preceding dust-removing segment are at different positions to form a dust-removing roller assembly; Belt structure and situations where they cannot be mutually adjacent.
10‧‧‧滾筒 10‧‧‧Roller
20‧‧‧除塵帶 20‧‧‧Dust belt
21‧‧‧前一個除塵片段 21‧‧‧Previous dust collection
22‧‧‧後一個除塵片段 22‧‧‧A dust removal fragment
23、24‧‧‧裁切線 23, 24‧‧‧ cutting line
25、26‧‧‧側邊 25, 26‧‧‧ side
27‧‧‧前端區域 27‧‧‧ front end area
28‧‧‧中間區域 28‧‧‧Intermediate area
29‧‧‧後段區域 29‧‧‧After the region
30‧‧‧裁刀 30‧‧‧Cutter
35‧‧‧非切斷部分 35‧‧‧non-cut parts
90‧‧‧電路板 90‧‧‧ boards
91‧‧‧轉動輥 91‧‧‧Rotating roller
92‧‧‧除塵滾筒 92‧‧‧Dust roller
X‧‧‧參考軸 X‧‧‧ reference axis
第1圖係習知除塵滾筒應用實施例示意圖。 Fig. 1 is a schematic view showing an application example of a conventional dust removing drum.
第2圖係本創作之立體結構示意圖;顯示了除塵帶、除塵滾筒和裁刀等部分的結構情形。 Fig. 2 is a schematic view showing the three-dimensional structure of the present invention; showing the structural situation of the dust removing belt, the dust removing drum and the cutting knife.
第3圖係第2圖之平面結構示意圖。 Figure 3 is a schematic view of the planar structure of Figure 2.
第4圖係本創作除塵滾筒總成之操作實施例示意圖。 Fig. 4 is a schematic view showing an operation example of the present dust removing drum assembly.
第5圖係第4圖之平面結構示意圖。 Figure 5 is a schematic view of the planar structure of Figure 4.
第6圖係本創作一修正實施例示意圖;描繪了除塵帶兩邊形成有預留部分或寬度的情形。 Fig. 6 is a schematic view showing a modified embodiment of the present invention; depicting a case where a reserved portion or a width is formed on both sides of the dust removing belt.
請參閱第2、3、4及5圖,本創作之除塵滾筒裝置包括滾筒10和配置在滾筒10上的多個除塵片段的組合。在實施例中,是應用紙、塑料薄膜...等材料,製成一連續型態的薄片基體;基體的兩個表面上,分別布置黏膠層和離型層(圖未顯示),而形成一除塵帶20。然後配合裁刀30在一參考軸X上移動,裁切除塵帶20形 成多個斜向裁切線和除塵片段,並且使除塵片段捲繞在滾筒10上,而構成一除塵滾筒總成100。 Referring to Figures 2, 3, 4 and 5, the dust removing roller device of the present invention comprises a combination of a drum 10 and a plurality of dust removing segments disposed on the drum 10. In an embodiment, a paper, a plastic film, or the like is used to form a continuous type of sheet substrate; on both surfaces of the substrate, an adhesive layer and a release layer are respectively disposed (not shown), and A dust removing belt 20 is formed. Then, the cutter 30 is moved on a reference axis X, and the dust belt 20 is cut. A plurality of obliquely cutting lines and dust removing segments are formed, and the dust removing segments are wound around the drum 10 to constitute a dust removing roller assembly 100.
下文中,為了方便於說明,以朝捲繞或接近滾筒10的方向為參考基準,將兩個相鄰接的除塵片段分別定義為前一個除塵片段21(或第一個除塵片段)和後一個除塵片段22(或第二個除塵片段)。以及,參考軸X可選擇一橫向參考軸(即,垂直於除塵帶20的進給或配送方向)或斜向參考軸。 Hereinafter, for convenience of explanation, two adjacent dust removing segments are respectively defined as the former dust removing segment 21 (or the first dust removing segment) and the latter dusting, with reference to the direction of winding or approaching the drum 10 as a reference. Fragment 22 (or a second dusting segment). And, the reference axis X may select a lateral reference axis (ie, perpendicular to the feed or delivery direction of the dust removing belt 20) or an oblique reference axis.
第2、3、4及5圖顯示了除塵帶20或每一個除塵片段之間形成寬度0.01mm~0.03mm的斜向裁切線,使每一個除塵片段形成平行四邊形的幾何輪廓。例如,前一個除塵片段21的斜向裁切線23,後一個除塵片段22的斜向裁切線24。前一個除塵片段21、後一個除塵片段22還分別包括側邊25、26;以及,斜向裁切線23(或24)是從側邊25朝另一側邊26的方向傾斜延伸,界定該前一個除塵片段21(或後一個除塵片段22)成平行四邊形的結構型態。 Figures 2, 3, 4 and 5 show an oblique cut line having a width of 0.01 mm to 0.03 mm between the dust removing belt 20 or each dust removing section, so that each dust removing section forms a geometric outline of a parallelogram. For example, the oblique cutting line 23 of the preceding dust removing section 21 and the oblique cutting line 24 of the latter dust removing section 22 are obliquely cut. The first dust removing segment 21, the latter dust removing segment 22 further includes side edges 25, 26, respectively; and the oblique cutting line 23 (or 24) extends obliquely from the side edge 25 toward the other side edge 26, defining the front A dust removing segment 21 (or the latter dust removing segment 22) is in the form of a parallelogram.
在可行的實施例中,假設每10個除塵片段(具有相同長度)為一組(或稱第一組除塵片段),捲繞在滾筒10時,滾筒10的總體直徑會逐漸增加;因此,後一個除塵片段22的斜向裁切線24在滾筒10(圓周)上的位置會較前一個除塵片段21的斜向裁切線23在滾筒10(圓周)上的位置後縮,使後一個除塵片段22的斜向裁切線24和前一個除塵片段21的斜向裁切線23錯開或位在滾筒10圓周的不同位置上。這有助於當除塵滾筒總成100較外圍的除塵片段或後一個除塵片段22黏附了較多的灰塵後,配合後一個除塵片段22的斜向裁切線24和前一個除塵片段21的斜向裁切線23位在不同位置,人員可簡單直接的撕掉捲繞在滾筒10較外圍的除塵片 段(或後一個除塵片段22),不會重複剝離捲繞在較內圍的除塵片段(或前一個除塵片段21);改善習知人員不易剝離使用過的黏著帶或發生重複剝離黏著帶等情形。 In a possible embodiment, it is assumed that every 10 dust removing segments (having the same length) are a group (or a first group of dust removing segments), and when wound around the drum 10, the overall diameter of the drum 10 is gradually increased; The position of the oblique cutting line 24 of one dust removing section 22 on the drum 10 (circumference) is retracted from the position of the oblique cutting line 23 of the preceding dust removing section 21 on the drum 10 (circumference), so that the latter dust removing section 22 The oblique cutting line 24 and the oblique cutting line 23 of the preceding dust removing section 21 are staggered or positioned at different positions on the circumference of the drum 10. This helps the diagonal cutting line 24 of the latter dust removing section 22 and the oblique direction of the preceding dust removing section 21 after the dust removing drum assembly 100 has more dust adhered to the outer dust removing section or the latter dust removing section 22. The cutting line 23 is in different positions, and the person can simply and directly tear off the dusting sheet wound around the periphery of the drum 10. The segment (or the latter dust removing segment 22) does not repeatedly peel off the dust-removing segment (or the previous dust-removing segment 21) wound around the inner circumference; the conventional person is not easy to peel off the used adhesive tape or the repeated peeling adhesive tape occurs. situation.
可了解的是,依據上述實施例操作,可使第二組除塵片段的長度大於第一組除塵片段的長度,依序捲繞在滾筒10上。 It can be understood that, according to the above embodiment, the length of the second group of dust removing segments can be made larger than the length of the first group of dust removing segments, and sequentially wound on the drum 10.
請再參閱第2、3圖,根據本創作之除塵滾筒裝置包括一製造方法;所述方法包括: Referring to Figures 2 and 3 again, the dust removing roller device according to the present invention includes a manufacturing method; the method includes:
程序(A),提供一除塵帶20的進給作業;除塵帶20的進給作業是朝向轉動的滾筒10配送,並且使除塵帶20可捲繞在滾筒10上。 The program (A) provides a feeding operation of the dust removing belt 20; the feeding operation of the dust removing belt 20 is distributed toward the rotating drum 10, and the dust removing belt 20 can be wound around the drum 10.
程序(B),提供一裁切作業。在除塵帶20的進給路徑上,設置裁刀30;所述裁刀30在參考軸X上移動,並且在除塵帶20上裁切出多數條斜向裁切線,而形成多個前、後鄰接的除塵片段(例如,上述的前一個除塵片段21、後一個除塵片段22),連續的捲繞在滾筒10上,構成除塵滾筒總成100。 Program (B) provides a cutting operation. On the feeding path of the dust removing belt 20, a cutter 30 is provided; the cutter 30 moves on the reference axis X, and a plurality of oblique cutting lines are cut on the dust removing belt 20 to form a plurality of front and rear Adjacent dust removing segments (for example, the aforementioned first dust removing segment 21 and the latter dust removing segment 22) are continuously wound around the drum 10 to constitute a dust removing drum assembly 100.
必須加以說明的是,初始當裁刀30沿參考軸X橫向或斜向移動,裁切除塵帶20時,前一個除塵片段21大部分區域(例如,中間區域28及/或後段區域29)還連接著後一個除塵片段22;因此,隨著前一個除塵片段21的前端區域27捲繞在滾筒10後,轉動的滾筒10使前一個除塵片段21帶動後一個除塵片段22繼續朝滾筒10方向運動或進給。同時,隨著滾筒10轉動而帶動除塵帶20進給時,裁刀30在除塵帶20上連續裁切出斜向裁切線(例如,23或24)。 It must be noted that, initially, when the cutter 30 is moved laterally or obliquely along the reference axis X, when the dust belt 20 is cut, most of the area of the previous dust removing segment 21 (for example, the intermediate portion 28 and/or the rear portion region 29) The latter dust removing section 22 is connected; therefore, as the front end region 27 of the preceding dust removing section 21 is wound around the drum 10, the rotating drum 10 causes the preceding dust removing section 21 to move, and then one dust removing section 22 continues to move toward the drum 10. Or feed. At the same time, as the drum 10 is rotated to drive the dust removing belt 20 to feed, the cutter 30 continuously cuts the oblique cutting line (for example, 23 or 24) on the dust removing belt 20.
當裁刀30到達前一個除塵片段21的中間區域28(或前一個除塵片段21完全被裁切)時,後一個除塵片段22的前端區域27(或中間區域28)已被帶進捲繞在滾筒10上;即,後一個除塵 片段22因轉動的滾筒10配合前一個除塵片段21的帶動,也可順利的捲繞在滾筒10上,以及使每一個相鄰接的除塵片段的裁切線成斜向延伸的型態,因此解決了舊法在除塵帶或黏著帶裁切過程,因為張力拉扯,使前、後鄰接的兩個黏著帶之間產生缺口,每一個黏著帶之間無法確實鄰接,影響裁切作業的進程等情形。 When the cutter 30 reaches the intermediate portion 28 of the preceding dust removing section 21 (or the previous dust removing section 21 is completely cut), the front end region 27 (or the intermediate portion 28) of the latter dust removing section 22 has been taken in and wound up. On the drum 10; that is, the latter dust removal The segment 22 can be smoothly wound on the drum 10 by the rotating drum 10 in cooperation with the previous dust removing segment 21, and the cutting line of each adjacent dust removing segment is obliquely extended. The old method is used in the process of cutting the dust belt or the adhesive tape. Because the tension is pulled, a gap is formed between the two adhesive tapes adjacent to the front and the back, and each adhesive tape cannot be surely adjacent to each other, which affects the progress of the cutting operation and the like. .
請參考第6圖,在一個修正的實施例中,除塵帶20的兩邊預留有非切斷部分35(或非切斷寬度);裁刀30的設定位置不會切斷該非切斷部分35,藉這些非切斷部分35輔助拉動除塵帶20的進給或配送,使每一個除塵片段連續的捲繞在滾筒10上,然後配合鍘刀縱切機切斷滾筒10的兩端邊緣及捲繞在滾筒10兩端的除塵帶20的非切斷部分35,而完成除塵滾筒總成100。 Referring to FIG. 6, in a modified embodiment, the non-cutting portion 35 (or the non-cutting width) is reserved on both sides of the dust removing belt 20; the set position of the cutter 30 does not cut the non-cutting portion 35. By means of these non-cutting portions 35, the feeding or dispensing of the dust removing belt 20 is assisted, so that each dust removing segment is continuously wound on the drum 10, and then the both ends of the drum 10 are cut and wound with a boring cutter. The dust removing drum assembly 100 is completed at the non-cutting portion 35 of the dust removing belt 20 at both ends of the drum 10.
代表性的來說,這除塵滾筒裝置及製造方法在符合操作簡便的條件下,相較於舊法而言,係具有下列的考量和優點: Typically, the dust-removing roller device and the manufacturing method have the following considerations and advantages in comparison with the old method under the condition of being simple and convenient to operate:
1.該滾筒10、除塵帶20和相關組件結構已被重行設計考量,使其不同於習用者和改變了它的使用、操作型態,而有別於舊法。例如,滾筒10轉動而帶動除塵帶20朝滾筒10方向配送,配合裁刀30在參考軸X上橫向或斜向移動,而形成複數條相互平行的斜向裁切線23、24,配合除塵帶20的側邊25、26,界定相鄰接的前一個除塵片段21、後一個除塵片段22形成平行四邊形的幾何輪廓等部分,明顯不同於習知結構。 1. The structure of the drum 10, the dust removing belt 20 and the related components has been redesigned to make it different from the conventional user and to change its use and operation type, which is different from the old method. For example, the drum 10 rotates to drive the dust removing belt 20 to be distributed toward the drum 10, and the matching cutter 30 moves laterally or obliquely on the reference axis X to form a plurality of oblique cutting lines 23 and 24 parallel to each other, in cooperation with the dust removing belt 20. The sides 25, 26 define a portion of the adjacent first dusting segment 21, the latter dusting segment 22 to form a geometrical contour of the parallelogram, and are significantly different from the conventional structure.
2.特別是相較於舊法而言,該除塵帶20在裁切過程的順利進給或配送,改善了舊法在除塵帶或黏著帶裁切過程,每一個黏著帶之間無法確實鄰接,影響裁切作業的進程,或發生人員重複剝離黏著帶或除塵帶等情形,也獲得明顯的改善。 2. Especially compared with the old method, the dust removing belt 20 is smoothly fed or distributed during the cutting process, which improves the cutting process of the old method in the dust removing belt or the adhesive tape, and each adhesive tape cannot be surely adjacent to each other. , affecting the progress of the cutting operation, or the occurrence of repeated peeling of the adhesive tape or dust belt, and also significant improvement.
故,本創作係提供了一有效的除塵滾筒裝置,其空間型態不同於習知者,且具有舊法中無法比擬之優點,係展現了相當大的進步,誠已充份符合新型專利之要件。 Therefore, this creation department provides an effective dust-removing roller device, which has different spatial patterns than the conventional ones, and has the advantages unmatched in the old law. It shows considerable progress and is fully in line with the new patents. Essentials.
惟,以上所述者,僅為本創作之可行實施例而已,並非用來限定本創作實施之範圍,即凡依本創作申請專利範圍所作之均等變化與修飾,皆為本創作專利範圍所涵蓋。 However, the above is only a feasible embodiment of the present invention, and is not intended to limit the scope of the present invention, that is, the equivalent changes and modifications made by the scope of the patent application of the present invention are covered by the scope of the creative patent. .
10‧‧‧滾筒 10‧‧‧Roller
20‧‧‧除塵帶 20‧‧‧Dust belt
21‧‧‧前一個除塵片段 21‧‧‧Previous dust collection
22‧‧‧後一個除塵片段 22‧‧‧A dust removal fragment
23、24‧‧‧裁切線 23, 24‧‧‧ cutting line
25、26‧‧‧側邊 25, 26‧‧‧ side
27‧‧‧前端區域 27‧‧‧ front end area
28‧‧‧中間區域 28‧‧‧Intermediate area
29‧‧‧後段區域 29‧‧‧After the region
30‧‧‧裁刀 30‧‧‧Cutter
X‧‧‧參考軸 X‧‧‧ reference axis
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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TW104209187U TWM518958U (en) | 2015-06-09 | 2015-06-09 | Dust removal roller device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW104209187U TWM518958U (en) | 2015-06-09 | 2015-06-09 | Dust removal roller device |
Publications (1)
Publication Number | Publication Date |
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TWM518958U true TWM518958U (en) | 2016-03-21 |
Family
ID=56086447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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TW104209187U TWM518958U (en) | 2015-06-09 | 2015-06-09 | Dust removal roller device |
Country Status (1)
Country | Link |
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TW (1) | TWM518958U (en) |
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2015
- 2015-06-09 TW TW104209187U patent/TWM518958U/en not_active IP Right Cessation
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