作者: Gary C. Harding , Nels V. Lewis
DOI:
关键词: Spring (mathematics) 、 Row 、 Coil spring 、 Electrical engineering 、 Engineering 、 Mechanical engineering
摘要: An apparatus for packaging resiliently compressible articles is disclosed. In one embodiment, the has at least two rotatable, spaced apart article engaging elements adapted to receive an end portion of rolling into a compact rolled up configuration. Each element can be rotatably mounted arm portions, which are desirably pivotally apparatus. At portions movable in lateral direction. The may also provided with vacuum hose fluidly connected source packing before it rolled-up. A spring containing mattress disclosed, which, comprises plural rows springs and substantially C-shaped border wires extending around periphery upper lower surfaces mattress.