| 摘要 |
FIELD: machine building. ^ SUBSTANCE: invention relates to vacuum cleaner incorporating parts made from plastic materials. At least one of vacuum cleaner structural elements including lower and upper housings, cover and handle, is made from expanded polypropylene. At least one insert attached to housing, indicators, controls and transfer elements can also be made from said expanded polypropylene. Proposed vacuum cleaner can comprise at least one deformable joint between its parts made from expanded polypropylene. Amount of expanded polypropylene makes, preferably, from 40 g to 80 g per litre. ^ EFFECT: reduced noise, higher strength. ^ 6 cl, 1 dwg |
