| 摘要 |
A paper compressor including an elongated plastic body portion having a pair of opposite sides and a pair of opposite ends and a longitudinal axis, a slot extending inwardly from each of the ends, a hole spaced inwardly from each of the slots, a pair of ribs molded integrally with the plastic body portion and extending along the opposite sides, a central rib molded integrally with the body portion and extending along the longitudinal axis, the body portion being curved so that its undersurface is convex and its upper surface is concave. A steel paper compressor which is the same as the plastic compressor except that it does not have ribs.
|
