IPC 7 English version B31B 41/00-B31B 49/04

B31B04100-B31B04904

SECTION B – PERFORMING OPERATIONS; TRANSPORTING

B 31

MAKING PAPER ARTICLES; WORKING PAPER (making layered products not composed wholly of paper or cardboard B32B; handling thin material, e.g. sheets, webs, B65H)

B 31 B

MAKING BOXES, CARTONS, ENVELOPES, OR BAGS (incising, scoring, in general B26D 3/08; combined making and filling B65B)

41/

Machinery characterised by making envelopes or bags of other specific form or construction

41/

and having means for feeding or positioning sheets, blanks, or webs

41/

Feeding sheets or blanks

41/

from stacks

41/

during envelope- or bag-making operations

41/

Feeding or positioning webs

41/

by air pressure or suction

41/

and having means for cutting, e.g. perforating, punching, slitting, trimming

41/

Cutting webs to form sheets or blanks

41/

Slitting webs longitudinally

41/

Cutting sheets or blanks

41/

Notching; Trimming edges of flaps

41/

Making window openings

41/

Surface scoring (cutting through material B31B 1/14) [2]

41/

and having means for folding sheets, blanks or webs

41/

around mandrels, including bottom-forming operations

41/

the mandrels moving

41/

in circular paths

41/

about their own axes

41/

by continuously feeding same to stationary members, e.g. plates, ploughs, cores

41/

the members being forming-tubes

41/

acting internally

41/

acting externally

41/

by plungers moving through folding dies

41/

and interconnecting side walls during such movement

41/

by folding or tucking in locking flaps

41/

by interengaging tongues and slots

41/

by reciprocating or oscillating members, e.g. fingers other than plungers and dies

41/

operating on moving material

41/

by rotary members co-operating with blades

41/

by moving endless belts

41/

and having means for uniting opposed surfaces or edges, or for taping

41/

by adhesives

41/

by applying heat or pressure

41/

high-frequency electric heating

41/

by stitching, stapling, or riveting

41/

by corner stapling

41/

by applying and securing strips or sheets

41/

and having means for effecting auxiliary operations

41/

Opening and distending flattened articles

41/

mechanically

41/

pneumatically

41/

Attaching windows

41/

Forming valves or applying valve inserts (connection of valves to inflatable elastic bodies B60C 29/00)

41/

Forming integral handles or mounting separate handles (making separate handles by multi-step processes B31D 1/06)

41/

Printing or embossing

41/

Attaching accessories not otherwise provided for, e.g. opening or closure devices, tear strings

41/

Delivering

41/

singly or in succession

41/

in overlapping arrangement

41/

in stacks or bundles

43/

Machinery characterised by making containers by shaping, otherwise than by folding, sheet material under pressure

45/

Machinery characterised by making containers having corrugated or pleated walls

47/

Hand tools for making envelopes, bags, boxes or cartons

47/

for making envelopes or bags without preshaped bottoms

47/

for making envelopes or bags with preshaped bottoms

49/

Machinery, accessories or processes not provided for in groups B31B 1/00 to B31B 47/00 (forms or constructions of boxes, cartons, envelopes or bags B65D) [2]

Note

Processes dependent on the use of specific machinery provided for in groups B31B 1/00 to B31B 45/00 are classified in those groups. [2]

49/

for making boxes or cartons

49/

for making envelopes or bags

B31B 37/00 - B31B 39/98