There is disclosed an improved stand-off for large vacuum compression storage bags made from a thermoplastic material such as polyethylene or other thermoplastic material and preferably made by extrusion. The stand-off includes a base having an aperture therein for alignment with the valve of the bag. The base further includes a plurality of ribs. The stand-off may include a variety of geometries provided that it is of sufficient length and width to cover the valve area. It may extend from one side of the bag to the other side of the bag or include variations thereof in size.
申请公布号
CA2755105(A1)
申请公布日期
2012.04.20
申请号
CA20112755105
申请日期
2011.10.14
申请人
S. C. JOHNSON & SON, INC.
发明人
TURVEY, ROBERT R.;SMITH, LELAND;STANLEY, STACEY M.