.~ Non-uniform, irregular or configured web or sheet {6}
114
.~.~ By perforating
DEFINITION
Classification: 162/114
(under subclass 109) Processes in which the configuration is imparted to the web or sheet by formation of an opening which extends completely through the thickness of the web or sheet, and the products thereof.
(1) Note. The opening may be formed by a suitable raised or marked portion on the forming means, as well as by subsequent mechanical penetration of the web or sheet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
286, for apparatus for forming a web or article combined with means to perforate the web or article.
