Cooperative Patent Classification


Version: 2017.05
CPC
COOPERATIVE PATENT CLASSIFICATION
B31C
MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER OR CARDBOARD [2016-01]
NOTE

  • The term "winding" in this subclass means forming two or more complete convolutions.
B31C 1/00
Forming tubes or pipes of paper or cardboard by feeding at right angles to the winding mandrel centre line [2015-05]
B31C 1/02
.
Machines therefor having additional mandrels [2013-01]
B31C 1/04
.
and forming a tube end into a container bottom [2013-01]
B31C 1/06
.
and inserting into a tube end a bottom to form a container [2013-01]
B31C 1/08
.
Accessories of machines therefor not otherwise provided for [2013-01]
B31C 1/083
. .
{Winding mandrels} [2013-01]
B31C 1/086
. . .
{expansibles} [2013-01]
B31C 3/00
Forming tubes or pipes of paper or cardboard by feeding obliquely to the winding mandrel centre line [2015-05]
B31C 3/02
.
and inserting into a tube end a bottom to form a container [2013-01]
B31C 3/04
.
Seam processing [2013-01]
B31C 5/00
Forming tubes or pipes of paper or cardboard without mandrels [2015-05]
B31C 7/00
Forming conical articles of paper or cardboard by winding [2016-01]
B31C 7/02
.
Forming truncated cones [2013-01]
B31C 7/04
. .
on two or more mandrels [2013-01]
B31C 7/06
. . .
and inserting into a cone end a bottom to form a container [2013-01]
B31C 7/08
.
Forming pointed cones [2013-01]
B31C 7/10
. .
on two or more mandrels [2013-01]
B31C 9/00
Simultaneous forming of cylindrical and conical shapes by winding separate webs, e.g. forming bottles [2016-01]
B31C 11/00
Machinery for winding paper or cardboard combined with other machinery [2015-05]
B31C 11/02
.
for additionally shaping the articles [2013-01]
B31C 11/04
.
for applying impregnating by coating-substances during the winding [2013-01]
B31C 11/06
.
for drying the wound and impregnated articles [2013-01]
B31C 13/00
{Making wound articles not otherwise provided for} [2016-11]