US PATENT SUBCLASS 493 / 302
.~ With advancing of tube axially


Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

269  DF  TUBE MAKING {15}
302.~ With advancing of tube axially


DEFINITION

Classification: 493/302

With advancing of tube axially:

(under subclass 269) Method or apparatus combined with transporting a formed hollow cylinder progressively away from the location at which it was formed by moving the cylinder in the direction parallel to its axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71+, for making a rigid container including folding combined with cutting, breaking, tearing, or abrading by a rotary tool and with means to advance work.

81, for making a rigid container including folding combined with cutting, breaking, tearing, or abrading by a reciprocatory tool and with means to advance work.

125, for making a rigid container including securing work surfaces, use of a supply hopper, use of a suction-type handling means and use of a conveyor to advance work to a folder.

142+, for making a rigid container including securing work surfaces with simultaneous pressing and advancing of the work while adhesive dries or sets.

147, for making a rigid container including securing work surfaces and advancing the work or product. 161, for making a rigid container including scoring and continuously advancing the work with the scoring tool moving with the work during operation thereof.