发明名称 METHODS OF OPERATING ON A WALL OR LIKE STRUCTURE AND RECEPTACLES FOR USE IN THE METHODS
摘要 <p>A receptacle 39 is used for catching material falling from a wall which is being operated upon e.g. drilled and has an open-topped lower container portion 40 with front and rear walls 41, 42 and peripheral wall 43. A strip 47 is a continuation of wall 43 and has a free end 48 releasably received between the wall 43 and formations 45 on walls 41, 42. The strip 47 may be placed on a hook or a wall or other structure. In a modification the receptacle may be assembled by folding a blank and has a flat rear wall with an aperture to engage a hook and a lower peripheral channel for catching the material displaced from the wall. <IMAGE></p>
申请公布号 GB2196111(B) 申请公布日期 1990.12.05
申请号 GB19870019386 申请日期 1987.08.17
申请人 MELVYN * WILDE 发明人 MELVYN * WILDE
分类号 A47L13/52;B08B15/04;B23Q11/00;B25D17/14 主分类号 A47L13/52
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