Strapper
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 9, 1991
Grant Date -
N/A
app pub date -
Dec 6, 1989
filing date -
Dec 9, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Strapper with a mechanism that has a tensioning wheel and tensions a section or steel strap obtained from a supply role and wrapped around a package and with a mechanism that has a stationary lower jaw and an upper jaw that executes a punching motion, fastening together the overlapping ends of the strap with at least two pairs of angled cuts positioned along the strap. The upper jaw that executes the punching motion is mounted and operated such that, as it executes its intended punching motion, one of the pairs of angled cuts begins to be introduced before the other pair does. To introduce the pairs of angled cuts, the operating surface of the upper jaw, the surface, that is, that faces the lower jaw, executes an essentially roller motion over the operating surface of the lower jaw combined with a motion that approaches the upper jaw to the lower jaw, so that the motion that introduces the first pair of angled cuts to begin terminates before the next pair of cuts to begin.
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