Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B31
MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
Load children
B31B
MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
Load children
2170/00
Construction of flexible containers
Load children Filter patents View analytics View as hierarchy
B31B2170/20
having multi-layered walls, e.g. laminated or lined
Load children Filter patents View analytics View as hierarchy
B31B2170/202
having liners applied in already made bags, e.g. including turning the bags inside out
Filter patents View analytics View as hierarchy