Fiber or paper board structure

作者: W Wootten

DOI:

关键词:

摘要: 1. A structural product comprising: two flat paper board or fiber panels disposed in spaced parallel planar relation to one another, each of said having a plurality partial perforations therein defining tabs which is bent about hinge line constituting the uncut portion its associated perforation, tab extending direction substantially perpendicular plane panel toward other across entire space between panels, from being contact with and completely overlapping corresponding contacting attached another by adhesive mechanical interlock form intermediary members has thickness at least equal combined thicknesses right angles planes retain fixed position relative another.

参考文章(0)