摘要:
The present invention relates to a fixing device for fixing to timber, plastics materials and friable substrates, the fixing device comprising a shank (1) having a first end and a second end, the shank comprising helically extending first (4), second and third parallel threads, wherein the first, second and third parallel threads are upstanding from the shank and are in spaced part arrangement to each other and the height of each thread above the shank is equal to the other.
摘要:
The invention relates to a process for manufacturing a fixing device and a fixing device made by such a process. In particular, albeit not exclusively, the present invention relates a fixing device for application in fixing to concrete and like materials/ substrates. The present invention therefore seeks to provide a fixing device for fixing to concrete, other like substrates which overcomes, or at least reduces some of the known problems of the prior art. The present invention also seeks to provide a fixing device which has enhanced corrosion resistance.
摘要:
The present invention relates to a fixing device for fixing to timber, plastics materials and friable substrates, the fixing device comprising a shank (1) having a first end and a second end, the shank comprising helically extending first (4), second and third parallel threads, wherein the first, second and third parallel threads are upstanding from the shank and are in spaced part arrangement to each other and the height of each thread above the shank is equal to the other.