US PATENT SUBCLASS 53 / 290
.~.~ With preliminary closure shaping and/or treatment

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}
290.~.~ With preliminary closure shaping and/or treatment {2}
291  DF  .~.~.~> Unfolding, opening and/or stretching capsules or cots {3}
296  DF  .~.~.~> Cutting and/or shaping means {1}

DEFINITION

Classification: 53/290

(under subclass 287) Apparatus which includes means to modify the separate closure member prior to assembly with the receptacle.

(1) Note. Modification of a separate closure element while said element is contacting the receptacle is not considered a preliminary working for this and indented subclasses.

(2) Note. Heating or cooling of separate closure members to improve the shaping or adhering qualities of said members has been considered a fugitive preconditioning and placed in subclass 141.

(3) Note. The compression of inserted closure members, e.g., corks, prior to inserting is not classified here. See subclass 324.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141, for treatment to improve workability of closure members. See (2) Note.

324, for compression of corks, etc. See (3) Note. SEE OR SEARCH CLASS

413, Sheet Metal Container Making,

1+, for the method of making and assembling cans and lids.

493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web,

162+, for making a container including folding.