.~ Forming or partial forming a receptacle and subsequent filling {4}
455
.~.~ Making a pocket in web material by folding and side sealing (e.g., flat bag making)
DEFINITION
Classification: 53/455
Making a pocket in web material by folding and side sealing (e.g., flat bag making):
(under subclass 452) Methods for making a flat receptacle by
overlapping a web of sheet material upon itself and seaming perpendicular to the fold line.
SEE OR SEARCH THIS CLASS, SUBCLASS:
450, for methods wherein marginal portions of web material are seamed during or after association of the contents with the web.
562, for corresponding apparatus.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses for methods of folding and bonding laminae.
493, Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web, 189+, for making a pliable container including heat sealing.
