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公开(公告)号：US3637420A
公开(公告)日：1972-01-25
申请号：US85218769
申请日：1969-08-22
Applicant: GRACO INC
Inventor： WALBERG ARVID C
CPC classification number: C23D5/02 , B05B5/03 , B05B5/08 , B05B7/162 , B05B13/041 , Y10T428/263
Abstract: Work is electrostatically coated with highly conductive materials by air or hydrostatic atomizing spray guns. The rate of material application to work for water base material such as porcelain enamel is high being in excess of 3 mils of film thickness in less than 60 seconds to prevent ''''dry spray.'''' The problem of ''''dry spray'''' is further controlled by placing the spray guns very close to the work (less than 12 inches).
Abstract translation: 工作通过空气或静水雾化喷枪静电涂覆高导电材料。 为了防止“干燥喷雾”，在不到60秒的时间内，用于水基材料如瓷搪瓷的材料应用速度高于3密耳膜厚。 通过将喷枪非常靠近工作（小于12英寸）进一步控制“干喷”的问题。
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公开(公告)号：US3621815A
公开(公告)日：1971-11-23
申请号：US85225369
申请日：1969-08-22
Applicant: GRACO INC
Inventor： WALBERG ARVID C
CPC classification number: C23D5/02 , B05B5/03 , B05B5/08 , B05B7/162 , B05B13/041 , Y10T428/263
Abstract: WORK IS ELECTROSTATICALLY COATED WITH HIGHLY CONDUCTIVE MATERIAL BY HYDROSTACIS ATOMIZING SPRAY GUNS. THE RATE OF MATERIAL APPLICATION TO WORK FOR WATER BASE MATERIAL SUCH AS PORCELAIN ENAMEL IS HIGH BEING IN EXCESS OF THREE MILS OF FILM THICKNESS IN LESS THAN SIXTY SECONDS TO PREVENT "DRY SPRAY." THE PROBLEM OF "DRY SPRAY" IS FURTHER CONTROLLED BY PLACING THE SPRAY GUNS VERY CLOSE TO THE WORK (LESS THAN TWELVE INCHES).
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