US PATENT SUBCLASS 53 / 524
.~.~.~ Mattress filling

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


53 /   HD   PACKAGE MAKING

111 R  DF  WITH CONTENTS TREATING {4}
113  DF  .~ Reshaping {7}
523  DF  .~.~ Compacting or stretching {6}
524.~.~.~ Mattress filling

DEFINITION

Classification: 53/524

Mattress filling:

(under subclass 523) Apparatus for compacting fibrous material into a batt and placing it within a cover to form a mattress.

SEE OR SEARCH THIS CLASS, SUBCLASS:

114, for apparatus for encasing coil springs.

255, for apparatus including forms in which the contents is placed, the form and contents then being inserted into a cover and the form removed leaving the contents in the cover.

521, for apparatus including cutting fibrous material.

SEE OR SEARCH CLASS

28, Textiles: Manufacturing, 118+, for apparatus for compacting loose fibers into a wad or tampon and inserting same into a sheath.

141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

71, and 249 for compacting or reshaping a charge of fluent material comprising fibrous material and placing same into a receiver.