TWM340860U - Mesh-adjustable cylindrical sieving device - Google Patents

Mesh-adjustable cylindrical sieving device Download PDF

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Publication number
TWM340860U
TWM340860U TW97204013U TW97204013U TWM340860U TW M340860 U TWM340860 U TW M340860U TW 97204013 U TW97204013 U TW 97204013U TW 97204013 U TW97204013 U TW 97204013U TW M340860 U TWM340860 U TW M340860U
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TW
Taiwan
Prior art keywords
screen
adjustable
hole
drum
adjustment
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TW97204013U
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Chinese (zh)
Inventor
Jun-Rong Chen
Original Assignee
Jun-Rong Chen
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Application filed by Jun-Rong Chen filed Critical Jun-Rong Chen
Priority to TW97204013U priority Critical patent/TWM340860U/en
Publication of TWM340860U publication Critical patent/TWM340860U/en

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M340860 八、新型説明: 【新型所屬之技術領域】 本創作係提供一種滾筒篩之技術領域,尤指其技術上 提供一種得以調整滾筒篩之篩孔大小,進而可篩選不同尺寸 環保回收物或其他物品之滾筒筛。 【先前技術】 按’參閱第—圖所示’係為習用滾筒筛之立體圖,該滚 筒篩包含有:-滾筒筛架體(工0)與一滚筒筛(2〇),該 滾筒篩(2 0)為軸向貫通之桶體形狀,而其滾筒_ (2 〇) 之周面上設有多數的貫通固定尺寸圓孔(2u或固定尺寸 筛孔’該固定尺寸圓孔(2 1)_定尺寸篩孔在製作時尺 寸就⑽蚊不能再更動,所㈣孔的尺寸均為固定孔徑, 僅处Γ刀固疋物品’如直徑1 Q Qmm的孔,其所能篩分尺寸 以:師刀直徑i 〇 Qmm以下的回收物,若欲篩分直徑1 〇〇mm 用上ΓΓ何尺寸,則需重新製造另一尺寸滾筒篩,其成本過高換 用上也相當麻煩不便。 惟’其上述習用之滚㈣存在有下列問題點: ’、t用之;袞筒_,其_孔之孔麵定,所以只能用 選該固定孔;^ LVnr ^下之回收物,欲篩選孔徑大於該篩孔者,將需更 換或另製滾筒篩。 /更換或另製滚筒I帛相當麻煩,且成本相當高,且要有 4 M340860 對於空間有限的情形下 相當多的空間供放置不同孔徑的滾筒篩, ,更顯不便。 是以 霞上通習知結構所存在之問題點,如何開發一種更 :::實用性之創新結構’實消費者所殷切企盼, 須努力研發突破之目標及方向。 s茶者 有鐘於此,_人本於多年從事相關產品之製 經驗,針對上叙目標,詳純賴麵評倾 確= 用性之本創作。 丁崎,、貫 【新型内容】 人解紅技術問題點:習狀滾筒篩,係藉㈣孔來筛選回 收㈣其他物品’即其滾筒筛係轴向貫通之桶體,該滾筒筛之周 面^又有固^孔徑之軌,該多數欲_選之物品即置人滾筒筛之 内部’而滾筒_、往後傾斜且不_在旋轉,所以餘小於筛孔 的^品就會經獨孔障下掉,餘大於_孔之物品則往滚筒筛 之後方退出’以達簡選物品之目的,惟其篩孔之孔徑固定,所 以只能用在__固定孔独下之物品,欲篩選隸大於 者,將需更換或另製滾«。然更換或另製滾㈣相當麻煩,且 成本相當高,且要有相當多的㈣供放置不同孔徑的滚筒筛 於空間有限的情形下,更顯不便。 -解决問題之技術特點:提供—種可_孔之滾筒篩裝置,係 包含有-滾筒篩架體、—滚筒篩’其中該滾筒篩之周面上設有若 干橢圓形篩孔,該每形篩孔均設有—可調式擋板,可調式 5 M340860 擋板得以轉至適當位置固κ 大小,進而可”㈣ &,據以暖_形_孔之開孔尺寸 要每換-種尺寸二環保回收物或其他物品,使其不需 的空間放置不同尺寸孔徑滾筒 fiHi、。或環保回收物之_選,就需要換一個滾 商師之回成本’或需要準備相當多 對照先前技術之功效: 孔尺十技術彻滾筒㈣料隨格尺寸回收物,惟其筛 所以只能_選持_孔之回收物,而本創作之筛孔 係可调整,戶/f LV Us β 、 乂康需求調整適當孔徑,進而篩選不同尺寸回 收物’達^本創作滾筒篩即具有多個制滚的功能。 夕-先月’J技術之滾筒篩因筛孔尺寸固定,所以需要準備相當 5寸/袞筒筛,而本創作筛孔尺寸可調,因此只要一個滾筒 篩即可,較習用更為實用者。 、有關本_所_之技術、手段及其功效,轉—較佳實施 例並配合_式詳細朗於后,相信本創作上狀目的、構造及特 徵’當可由之得—深人而具體的瞭解。 【實施方式】 本創作係提供—種可調篩孔之滾筒篩|置設計者。 為使貴審查委員對本創作之目的、特徵及功效能夠有更進 -步之瞭解與認識,聽合實施方式及相_式詳述如後: 參閱第二®所示’係本創作之其-實施例立體示意圖,該可 6 M340860 調篩孔之滾筒篩裝置,包括有: 一滾筒篩架體(3 0 ),係用以支撐滾筒篩(4 〇 ),並使滾 筒篩(4 0)傾斜一特定角度;以及, 一滾筒篩(4 0),該滾筒篩(4〇)呈軸向貫通之桶體, 該滾筒篩(4 0 )之周面設有多數之橢圓形篩孔(4 i ),每一 橢圓形篩孔(41 )均設有一可調式擋板(4 2)阻擋,可調式 擋板(42)以調整固定結構固定至滾筒篩(4〇),藉由該可 调式擋板(4 2)之調整,得以改變橢圓形篩孔(4丄)其篩選 孔徑(A)(如第四圖所示)之大小,可調式擋板並可在調整完 成後即固定。 上述該調整固定結構可為可調式擋板(4 2 )穿設有螺絲(4 3 )固定至滾筒篩(4 〇 ),而該可調式擋板(4 2 )穿設螺絲 (4 3 )位置設成長橢圓孔(4 2 1 ),當欲調整其橢圓形篩孔 (41)之不同篩選孔徑時,只需將螺絲(4 3)調鬆,其可調 式擋板(4 2 )即可藉由長橢圓孔(4 2 ;[)而前後調動改變篩 選孔徑,待调好後,再螺絲(4 3 )鎖緊固定可調式擋板(4 2 ) 位置。 參閱第二、四圖所示,上述該滾筒篩(4 〇 ),係藉由筛選 孔徑(A)來篩選回收物,即其滾筒篩(4())係為軸向貫通之 桶體’該滾筒篩(4 0 )之周面上設有多數之橢圓形篩孔(4丄), 並藉由可調式擒板(4 2)調整篩選孔徑(A)大小,該多數欲 筛選之物品即置人滾筒_( 4◦)之内部,而滾筒篩(4 〇)係 7 M340860 在後傾斜且不_在旋轉,所以餘小於_選絲(A)的物品 就會經過篩選孔徑(A)而往下掉,直徑大於_選孔徑(A)之 回收物則往滾筒篩(4 〇 )之後方退出,以達到篩選物品之目的。 而如果要_選不同尺寸職时物或其他物品時,只須調整 該可調式擋板(4 2 )並ϋ定,制·徑(B )就會改變成為 另一個所需的尺寸,如此該多數欲再次篩選之时物即置入滾筒 師(4 0)之内部’而滾筒_( 4◦)係往後傾斜且不斷的在旋 轉’所以餘小於另-個所f尺寸_選孔徑(b)的物品就會經 過另一個所需尺寸㈣錄(B)雜下掉,餘大於另一個所 需尺寸篩觀彳f ( B )之物品職滾㈣(4 Q )之後方退出, 以達到篩選另-個所需尺寸回收物之目的。 參閱第五圖所示,係為本創作之另一實施例立體示意圖,該 可調篩孔之滾筒篩裝置,包括有: 一滾筒雜體(3 Q ),制以支舰㈣(4 0 ),並使滾 筒篩(4 0)傾斜一特定角度;以及, …—滾㈣(4Q)’該滚筒_ (4 0)呈軸向貫通之桶體, 该滚筒筛(4Q)之周面設有多數之橢_f$孔(4 1 )排成數 排,每一橢圓形筛孔(41)均設有一可調式擋板(4 2)阻擋, 同-排之可調式擋板(4 2)得以相互連結—體,以使調整更為 快速,可調式擋板U 2 )以調整固定結構固定至滚筒_ ( 4 〇 ), 藉由該可調式擋板(4 2 )之調整,得以改變橢圓形纟帛孔(4 1 ) 其筛選孔徑(A)(如第四圖所示)之大小,可調式播板並可在 8 M340860 調整完成後即固定。 3)===構可為可_板(42)穿設_(4 " 4 〇),而該可調式擋板(4 2)穿·^蟬哼 (4 3)位置設成長橢圓孔(,;4 2 )穿汉螺4 口師k孔徑時,只需將螺絲(4 3 式擋板(42)即可藉由長橢圓孔(421) ㈣ 選孔徑,待調好後,再螺辞r J qj後》周動改k師 >位置。 再螺絲(43)細定可調式擋板(42) 本創作功效增進之事實如下·· 上、提供-種可調筛孔之滚筒筛裝置之 付以在需要篩選不同尺寸環保回收物或其他物 製造滾筒筛,只需要調整該滾 而更換或 更便利,㈣本更為節省。之了狀細即可’操作上 >要二=_之滾筒篩裝置之特殊改良結構設計,其主 可二1Γ純製成橢__孔’而於該橢圓形筛孔上設 了调式擋板峨,赃财調錢板可使 同需求,達到更為便利使用之目的。 料以付口不 首二Γ知,本創作之可調筛孔之滾筒筛裝置,確為業界 I見而付專狀卿轉件者, r新型專利之進步性要件,而其可㈣換篩選不同;:寸Γ, :低設置成本,使用更為方便,符合較佳之產業利用性:。 則文係針對本劍作之較佳實施例為本創作之技術特徵進行 M340860 具體之"兒明’惟’熟悉此項技術之人士當可在不脫離本創作之精 神與原則下對本_進行變更與修改,而該等變更與修改,皆應 涵蓋於如下申請專利範圍所界定之範脅中。 紅上所述’本創作係提供一種可調篩孔之滾筒篩裝置,其確 已達到本創作之所有目的,另其組合結構之空間型態未見於同類 .產品,亦未曾公開於申請前,已符合專利法之規定,爰依法提出 申請。 【圖式簡單說明】 第一圖:係習用之滾筒篩立體圖。 第二圖:係本創作之其一實施例立體示意圖。 第二圖:係本創作之其一實施例平面示意圖。 第四圖:係本創作之其一實施例篩選孔徑調整之放大動作示意圖。 _第五圖:係本創作之另一實施例立體示意圖。 • 【主要元件符號說明】 . •習用部份· (10)滾筒篩架體 (2 0)滾筒筛 (2 1)固定尺寸圓孔 •本創作部份· (3 0)滾筒篩架體 M340860 (4 Ο)滾筒篩 (41)橢圓形篩孔 (4 2)可調式擋板 (4 2 1)長橢圓孔 (4 3 )螺絲 (A) 筛選孔徑 (B) 另一個所需尺寸篩選孔徑M340860 VIII. New description: [New technical field] This creation provides a technical field of trommel, especially the technical provision of a mesh size that can adjust the size of the trommel, and then can screen different sizes of environmentally friendly recyclables or other Roller screen for items. [Prior Art] According to the 'refer to the first figure', it is a perspective view of a conventional trommel screen, which comprises: a drum frame body (work 0) and a drum screen (2 inch), the drum screen (2 0) is a barrel shape that is axially penetrated, and a plurality of through-fixed-size circular holes (2u or fixed-size mesh holes) are provided on the circumferential surface of the drum _ (2 〇) (the fixed-size circular hole (2 1) _ The size of the sieve hole is (10), the size of the hole can be changed even more, and the size of the hole is fixed hole. Only the file of the file is 1 Q Qmm, and the size can be sieved: For recyclables with a knife diameter i 〇Qmm or less, if you want to sieve a diameter of 1 〇〇mm, you need to remanufacture another size sifter. The cost is too high and it is very inconvenient to use. The above-mentioned conventional roll (4) has the following problems: ', t is used; the tube _, its hole hole is fixed, so only the fixed hole can be selected; ^ LVnr ^ under the recyclate, the filter aperture is larger than The screen hole will need to be replaced or separately screened. /Replacing or making the drum I帛 is quite troublesome and costly And there must be 4 M340860 for a space with limited space for a different size of the drum screen, it is more inconvenient. It is a problem with the Xia Shangtong learned structure, how to develop a more::: Practical and innovative structure 'The real consumer is eagerly awaiting, and must strive to develop the goal and direction of breakthrough. s tea people have this, _ people have been engaged in the experience of related products for many years, aiming at the above-mentioned goals, The face review is correct = the use of the nature of the creation. Ding Qi, and the [new content] Human solution red technology problem point: the halo of the drum, by (four) holes to screen and recycle (four) other items 'ie its drum screen shaft To the barrel of the through-hole, the circumferential surface of the drum screen has a rail with a fixed aperture, and most of the items to be selected are placed inside the drum screen, and the drum _ is inclined backward and not rotated. If the product is smaller than the sieve hole, it will be removed by the single hole barrier. If the residue is larger than the _ hole, the object will be withdrawn to the drum screen after the sieve is used to achieve the purpose of simply selecting the object, but the aperture of the sieve hole is fixed, so it can only be used in __ fixed hole alone, the item to be filtered is greater than However, it will be necessary to replace or make another roll «. However, it is quite troublesome to replace or make another roll (four), and the cost is quite high, and there are quite a lot of (4) drum screens with different apertures in the case of limited space, which is more inconvenient. - Technical problem of solving the problem: providing a drum screen device capable of _ hole, comprising a drum frame body, a drum screen, wherein a plurality of elliptical mesh holes are arranged on the circumferential surface of the drum screen, The shape mesh holes are all equipped with adjustable baffles, and the adjustable 5 M340860 baffles can be transferred to the appropriate position to fix the size of the κ, which can be “(4) & according to the heating _ shape _ hole opening size to be changed every Size 2 environmentally friendly recyclables or other items, so that it does not require space to place different sizes of aperture rollers fiHi, or environmentally friendly recyclables, you need to change the cost of a rolling business division' or need to prepare quite a lot of comparison with prior art Efficacy: Hole ruler 10 technology roller (four) material with size recovery, but the sieve can only be selected _ hole recycling, and the creation of the screen can be adjusted, household / f LV Us β, Ji Kang Need to adjust the appropriate aperture, and then filter Size was recovered 'creation of ^ the present trommel i.e. having a plurality of rollers made of functions. The eve-first month 'J technology's drum screen is fixed in size because of the size of the screen hole, so it is necessary to prepare a 5-inch/cylinder screen, and the size of the sieve mesh is adjustable, so that only one roller screen can be used more practically. With regard to the techniques, means and functions of this _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ To understanding. [Embodiment] This creation system provides a tumbler screen with adjustable screen holes. In order to enable your review committee to have a more in-depth understanding and understanding of the purpose, characteristics and efficacy of this creation, the implementation of the listening and the implementation of the _ style is as follows: See the second ® shown in the 'this creation' - A three-dimensional schematic view of the drum screen device of the 6 M340860 screen, comprising: a drum frame body (30) for supporting the drum screen (4 〇) and tilting the drum screen (40) a specific angle; and, a drum screen (40), the drum screen (4 turns) is an axially penetrating barrel, and the circumference of the drum screen (40) is provided with a plurality of elliptical mesh holes (4 i ), each elliptical mesh (41) is provided with an adjustable baffle (42), and the adjustable baffle (42) is fixed to the trommel (4〇) by an adjustment fixing structure, by the adjustable block The adjustment of the plate (42) is able to change the size of the elliptical mesh (4丄) with its screening aperture (A) (as shown in the fourth figure), the adjustable baffle and can be fixed after the adjustment is completed. The adjustment fixing structure can be fixed to the trommel (4 )) by the adjustable baffle (4 2 ), and the adjustable baffle (4 2 ) is disposed at the position of the screw (4 3 ) Set the elliptical hole (4 2 1 ), when you want to adjust the different screening aperture of the elliptical mesh (41), just loosen the screw (4 3), and the adjustable baffle (4 2 ) can be borrowed. Change the screening aperture by the long oval hole (4 2 ; [) and move it back and forth. After the adjustment, adjust the position of the adjustable baffle (4 2 ) with the screw (4 3 ). Referring to Figures 2 and 4, the drum screen (4 〇) is used to screen the recyclate by screening the aperture (A), that is, the drum screen (4()) is an axially through barrel. A plurality of elliptical mesh holes (4 inches) are arranged on the circumference of the trommel screen (40), and the size of the screening aperture (A) is adjusted by the adjustable raft (42). That is, the inside of the roller _ (4 ◦) is placed, and the roller screen (4 〇) is 7 M340860 is inclined at the rear and is not rotating, so the item smaller than _ wire (A) passes through the screening aperture (A) When it is dropped, the recyclate with a diameter larger than the _ selected pore size (A) is withdrawn after the trommel (4 〇) to achieve the purpose of screening the articles. If you want to select different sizes of time or other items, you only need to adjust the adjustable baffle (4 2 ) and make sure that the diameter (B) will change to another desired size. Most of the objects that are to be re-screened are placed inside the drummer (40) and the drum_(4◦) is tilted backwards and constantly rotating 'so the remainder is smaller than the other ones. _Selecting the aperture (b) The item will be circulated through another required size (4) (B), and the remainder will be larger than the other required size 彳f (B) after the item roll (4) (4 Q) to exit, in order to achieve the screening - The purpose of reclaiming the required size. Referring to FIG. 5, it is a perspective view of another embodiment of the present invention. The adjustable screen screen of the screen comprises: a drum body (3 Q), and a support ship (4) (4 0) And tilting the drum screen (40) by a specific angle; and, ... - rolling (four) (4Q) 'the drum _ (40) is an axially penetrating barrel, and the circumferential surface of the drum screen (4Q) is provided Most of the ellipse _f$ holes (4 1 ) are arranged in rows, and each elliptical mesh (41) is provided with an adjustable baffle (4 2) blocking, the same-row adjustable baffle (4 2) Can be connected to each other to make the adjustment faster, the adjustable baffle U 2 ) is fixed to the drum _ ( 4 〇) with the adjustment fixed structure, and the ellipse can be changed by the adjustment of the adjustable baffle (4 2 ) Shaped bore (4 1 ) The size of the screening aperture (A) (as shown in the fourth figure), the adjustable board can be fixed after the 8 M340860 adjustment is completed. 3) === The structure can be _ plate (42) _ (4 " 4 〇), and the adjustable baffle (4 2) wear · ^ 蝉哼 (4 3) position is set to grow oval hole ( ,; 4 2) When wearing the Han snail 4 port k aperture, just screw (4 3 baffle (42) can be selected by the long oval hole (421) (four), after the adjustment, then the thread r J qj After "Zhou move to change k division" position. Re-screw (43) fine adjustable baffle (42) The fact that the creative effect is enhanced is as follows: · Up, provide - a screen sieve device with adjustable mesh holes It is necessary to screen the different sizes of environmentally friendly recyclables or other materials to make the trommel screen. It only needs to adjust the roll to replace it or it is more convenient. (4) This is more economical. The shape can be 'operational> and the second = _ The special improved structure design of the drum screen device can be made into an elliptical __ hole by two Γ 而 而 而 而 而 而 而 而 而 而 而 而 而 而 调 调 调 调 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆 椭圆In order to facilitate the purpose of use, it is not necessary to pay attention to the second, and the drum screen device of the adjustable screen hole of this creation is indeed the one that the industry has seen and the speciality of the patent, the progressive element of the new patent, and It can (4) change the screen differently;: inch inch, low setting cost, more convenient to use, and better industrial utilization: The text is based on the preferred embodiment of this sword for the technical characteristics of the creation M340860 "Children's 'only' those who are familiar with the technology may change and modify this article without departing from the spirit and principles of this creation, and such changes and modifications shall be covered by the following patent application scope. Fan Zhizhong. The above-mentioned creation department provides a drum screen device with adjustable screen holes, which has indeed achieved all the purposes of this creation. The spatial pattern of the combined structure is not found in the same category. The product has not been disclosed. Before the application, it has complied with the provisions of the Patent Law and submitted an application according to law. [Simplified illustration] The first picture is a perspective view of a conventional drum screen. The second picture is a perspective view of one embodiment of the present creation. Figure: is a schematic plan view of one embodiment of the present creation. The fourth figure is a schematic diagram of an enlarged action of screening aperture adjustment according to an embodiment of the present invention. 3D schematic view of the embodiment. • [Main component symbol description] • Conventional part · (10) Roller screen frame body (20) Roller screen (2 1) Fixed size round hole • Original part (3 0) Roller Screen frame M340860 (4 Ο) drum screen (41) oval screen hole (4 2) adjustable baffle (4 2 1) long oval hole (4 3 ) screw (A) screening aperture (B) another Size screening aperture

1111

Claims (1)

M340860 九、申請專利範圍: 1 ·一種可調篩孔之滾筒篩裝置,係包含有: -滾筒_雜,係用以支撐旋轉之滾㈣,並使丨袞筒筛傾斜 一角度;以及, 一滾筒篩,該滾筒篩呈軸向貫通之桶體,該滾筒篩之周面設 有多數之橢®㈣孔,每-橢圓形篩孔均設有_可調式擋板阻擔 ,可調式擋板關整11定結構固定至滾㈣,藉由該可調式擔板 之調整,得以改變橢圓轉孔其㈣孔徑之大小,可調式撐:並 可在調整完成後即固定。 胃 篩孔之滾筒篩裝置, 螺絲固定至滾_,而 調鬆螺絲可移動擋板 2·如申請專利範圍第i項所述之可調 其中該調整固定結構可為可調式擋板穿設有 該可調式擋板穿設螺絲位置設成長橢圓孔, 位置,調好後鎖固螺絲。M340860 Nine, the scope of application for patents: 1 · A drum screen device with adjustable screen holes, which comprises: - roller - miscellaneous, used to support the rotating roller (four), and tilt the cylinder screen at an angle; and, a drum screen, the drum screen is an axially penetrating barrel, and a plurality of elliptical® (four) holes are arranged on the circumference of the drum screen, and each elliptical screen hole is provided with an adjustable baffle stop, an adjustable baffle The closing and fixing structure is fixed to the roller (four). With the adjustment of the adjustable plate, the size of the aperture of the elliptical hole can be changed, and the adjustable support can be fixed after the adjustment is completed. The drum screen device of the stomach sieve hole, the screw is fixed to the roller_, and the loosening screw can move the baffle plate 2. The adjustable body structure can be adjusted as described in the scope of claim i, wherein the adjustment fixing structure can be provided with the adjustable baffle plate The adjustable baffle is placed in the position of the screw to set the elliptical hole, the position is adjusted, and the rear locking screw is adjusted. 以相互 3 ·如中料_®第丨項所述之可調 其中該可調式擋板更可設成,位於同1的 1㈣置 連結一體’以使調整更為快速。 巧弋桧板侍 12The adjustment can be made as described in the middle of the article, wherein the adjustable baffle plate can be set to be integrated with the 1 (four) of the same 1 to make the adjustment faster.巧弋桧板侍 12
TW97204013U 2008-03-10 2008-03-10 Mesh-adjustable cylindrical sieving device TWM340860U (en)

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US10960438B2 (en) 2012-05-25 2021-03-30 Derrick Corporation Injection molded screening apparatuses and methods
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US10974281B2 (en) 2012-05-25 2021-04-13 Derrick Corporation Injection molded screening apparatuses and methods
US11638933B2 (en) 2012-05-25 2023-05-02 Derrick Corporation Injection molded screening apparatuses and methods
US11198155B2 (en) 2012-05-25 2021-12-14 Derrick Corporation Injection molded screening apparatuses and methods
US11161150B2 (en) 2012-05-25 2021-11-02 Derrick Corporation Injection molded screening apparatuses and methods
TWI564092B (en) * 2012-06-01 2017-01-01 佐竹股份有限公司 Foreign body sorting machine
US11203678B2 (en) 2017-04-28 2021-12-21 Derrick Corporation Thermoplastic compositions, methods, apparatus, and uses
US11505638B2 (en) 2017-04-28 2022-11-22 Derrick Corporation Thermoplastic compositions, methods, apparatus, and uses
US11213857B2 (en) 2017-06-06 2022-01-04 Derrick Corporation Method and apparatus for screening
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TWD206246S (en) 2017-06-06 2020-08-01 美商德瑞克公司 Interstage screen basket
US11458505B2 (en) 2017-09-01 2022-10-04 Derrick Corporation Deblinding apparatuses and methods for screening
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CN110420982A (en) * 2019-08-09 2019-11-08 姚爽 A kind of ecological type soil restorative procedure

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