US PATENT SUBCLASS 53 / 347
.~.~.~.~.~.~ Helical spring

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

285  DF  CLOSING PACKAGES AND FILLED RECEPTACLES {7}
287  DF  .~ Separate closure applying {17}
329  DF  .~.~ Closure securing means {9}
341  DF  .~.~.~ Die {7}
344  DF  .~.~.~.~ Sectional {8}
345  DF  .~.~.~.~.~ With resilient faces {2}
347.~.~.~.~.~.~ Helical spring

DEFINITION

Classification: 53/347

(under subclass 345) Apparatus wherein the resilient face consists of a wire coil.

SEE OR SEARCH THIS CLASS, SUBCLASS:

358, for dies consisting of a helical spring annulus.