AIR DIFFUSION APPARATUS,申请号JP19850086017-传众专利搜索

AIR DIFFUSION APPARATUS

申请公布号：JPS61245857(A)

申请号：JP19850086017

申请日期：1985.04.22

申请公布日期：1986.11.01

申请人：

KURITA WATER IND LTD

发明人：NISHIDA SOICHIRO

分类号：C02F3/20;B05B1/20

主分类号：C02F3/20

摘要：<p>PURPOSE:To enhance the tensile strength of a tube, by providing not only a large number of slits having an angle 30-60 deg. in the positive side with respect to a tube circumferential direction but also a large number of slits having an angle 30-60 deg.C in the negative side by carving. CONSTITUTION:An air diffusion apparatus is constituted of a tube 1, the cylinder 8 acting as the skeletal for supporting the tube 1 and the ring 9 for fixing the tube 1 to the cylinder 8. Air supplied from an air supply pipe passes through a piercing hole 14 to push up a valve 15 to enter the air diffusion apparatus and passes through the slits of the tube 1 to be discharged as fine air bubbles. The slits consists of slits oriented so as to have an angle alpha is the positive side with respect to a circumferential direction E and slits B oriented so as to have the angle alpha in the negative side with respect to the circumferential direction E. Said angle alpha is 30-60 deg..</p>