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    • 1. 发明授权
    • 수공발파용 자립에어튜브
    • 自支撑气管在水孔爆破
    • KR101263902B1
    • 2013-05-13
    • KR1020100127734
    • 2010-12-14
    • 동아대학교 산학협력단
    • 강대우이신
    • F42D3/04F42D1/08
    • 본발명은수공발파용자립에어튜브에관한것으로, 한쌍의시트사이에서공기가채워지는에어백과, 상기에어백의외주연에구비되고상기한 쌍의시트가융착됨으로써상기에어백을밀폐시키는테두리부및, 상기테두리부의일측에구비되고상기에어백의내부로공기를주입할수 있도록상기에어백과연통되는공기주입구가구비되는공기주머니부;와비중의조절을위한무게추의수납공간이되는포켓이구비되는무게주머니부;를포함하여이루어지며, 상기무게주머니부의포켓에는복수의천공이형성되는것을특징으로한다. 본발명에의하면, 무게주머니부에모래나자갈등의무게추의수납공간이되는포켓이구비됨으로써에어튜브의비중을물이나벌크형태의폭약의비중과같거나약간작게하여수공이나수중에서도용이하게에어층을형성시킬수 있는장점이있고, 무게주머니부의포켓에복수의천공을형성함으로써포켓에수납되는무게추의양을저울을이용하여매번측정할필요없이천공을통해눈으로수납량을확인할수 있어사용상간편하며, 또한천공을통하여물이나벌크형폭약이포켓내에있는무게추의공극사이를빠르게메워서빠른시간내에목적하는비중을만들어안정되게장착가능한장점이있다.
    • 3. 发明公开
    • 수공발파용 자립에어튜브
    • 自支撑空气管在水孔喷砂
    • KR1020120066403A
    • 2012-06-22
    • KR1020100127734
    • 2010-12-14
    • 동아대학교 산학협력단
    • 강대우이신
    • F42D3/04F42D1/08
    • F42D5/045E21B7/1245F42D1/00F42D1/08F42D3/04
    • PURPOSE: A self-standing air tube for water hole blasting is provided to allow a user to check the amount of weight balances accommodated in a pocket of a weight pocket part through a plurality of holes formed in the pocket. CONSTITUTION: A self-standing air tube for water hole blasting comprises an air pocket part(10) and a weight pocket part(20). The air pocket part includes an air bag, a rim(13), and an air injection port(15). The rim is formed on the outer circumference of the air bag, where a pair of sheets are fused to close the air bag. The air injection port is formed on one side of the rim and connected to the air bag. The weight pocket part includes a pocket which is perforated and provides a space for accommodating weight balances to control specific gravity.
    • 目的:提供一种用于水孔喷砂的自立式空气管,用于通过形成在口袋中的多个孔来检查容纳在重物袋部分的口袋中的重量平衡量。 构成:用于水孔喷砂的自立式空气管包括气穴部分(10)和重量袋部分(20)。 气囊部分包括气囊,轮辋(13)和空气喷射口(15)。 轮辋形成在气囊的外圆周上,其中一对片被熔合以关闭气囊。 空气注入口形成在边缘的一侧并连接到气囊。 重量袋部分包括穿孔的袋,并且提供用于容纳重量平衡以控制比重的空间。
    • 4. 发明公开
    • 중력을 이용한 압연유 분사장치
    • 使用重力注入滚动油的装置
    • KR1020110088767A
    • 2011-08-04
    • KR1020100008427
    • 2010-01-29
    • 동아대학교 산학협력단
    • 변상민이재현김상록최현식강대우이동규김현준김주현김정훈곽도영
    • B21B45/02B21B27/10F16N7/02
    • PURPOSE: A device for injecting rolling oil using gravity which reduces noise is provided to improve various rolling operation condition by changing the location and angle of a nozzle. CONSTITUTION: A device for injecting rolling oil using gravity which reduces noise comprises a vertical sub chamber(10), a vertical main chamber(20), and an opening and closing member(30) and a nozzle part(40). The rolling oil is charged in the vertical sub chamber and contained. The vertical main chamber is combined in the lower part of the vertical sub chamber using a rolling oil path hole. The opening and closing member is composed inside the vertical main chamber. The nozzle part is composed in the lower part of the vertical main chamber and sprays the rolling oil to the vertical main chamber.
    • 目的:通过改变喷嘴的位置和角度,提供了一种用于通过重力喷射滚动油来减少噪音的装置,以改善各种滚动操作状态。 构成:使用重力降低噪声的滚动油喷射装置包括垂直副室(10),垂直主室(20)以及开闭构件(30)和喷嘴部分(40)。 轧制油在垂直副室中装入并包含。 垂直主室使用轧制油路孔组合在垂直副室的下部。 打开和关闭构件组成在垂直主室内。 喷嘴部分组成在垂直主室的下部,并将滚动油喷射到垂直主室。