发明名称 Mfr. of covering for paths and squares - involves application of layer of chippings made from waste timber, which is then rolled
摘要 The covering is esp. for footpaths, bridleways, bicycle tracks, and pathways in parks. In a first stage of laying, a layer of timber chippings is applied to the ground, esp. soil. This layer is then rolled. The chippings have a length of 4-10 cm, and are mfd. from waste timber. The covering can be renewed in case of wear or soiling, by loosening and shaking, and subsequent rolling. USE/ADVANTAGE - Wooden covering material for paths and squares is simple to lay and does not required complicated machinery. The material is cheap, environmentally friendly, easy to obtain, and can be recycled.
申请公布号 DE4218829(A1) 申请公布日期 1993.12.16
申请号 DE19924218829 申请日期 1992.06.09
申请人 AERTKER HOLZRECYCLING GMBH, 4630 BOCHUM, DE 发明人 AERTKER, PAUL, 4722 ENNIGERLOH, DE
分类号 E01C7/00;E01C13/06;(IPC1-7):E01C7/00;E01C15/00 主分类号 E01C7/00
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