| 摘要 |
<p>Attachment piece for controlled and directed emptying of a spray can containing a liquid or gaseous substance, preferably an expandable insulating seal substance, consists of a housing (1) with a rest (2) in the form of an inner ring that snap fits the external circumference of a plug (3) with a valve (4) of a can (5). The internal surface of said housing (1) comprises a thread (7), on which a nozzle (8) is arranged. Said nozzle (8) is designed in a way to co-operate with said thread (7) with its thread section (9) of its cylindrical part (10). Said cylindrical part (10) continues on one side by a concentrically arranged tubular part (11) with said rest (12) tightly fitting the free end of said valve (4) of said can (5), wherein on the external end said nozzle (8) is optionally shaped, preferably in the sense of an outflow section (13) oriented perpendicularly to the axis of said can (5).</p> |
