8/12/2019 Box Making

1/1

Trees

1

Recovered Fiber fromRecycling Center

2

Paper Mill

3Kraft Paper

Rolls

4

Corrugator

5

Dryers

6

Slitting/Scoring

7

Cut Sheets

8

Flexo Folder/Gluer(includes Direct Printing)

9

(OR)Rotary

Die Cutter

10

Bundled &

Palletized

11

Corrugator DetailRecycling Center

Liner

CombMedium

Liner

Flutes

The production of corrugated boxes begins much like

any other paper product. Wood (1) from trees harvested

from responsibly managed forests and fiber (2) recovered

from paper recycling centers are processed into pulp

and made into paper at a paper mill (3). In this process,

two different types of brown paper (kraft) are produced:

liner and medium. (4) These two special papers are

fed into a corrugator (5) which presses flutes into the

medium and adheres liner to either one or both sides of

that medium with starch-based glue adhesive, producing

combined board or corrugate. Additional sets of fluted

medium and liner can be added to create a double wall

or triple wall product. The corrugated board is then

fed through a dryer (6) to remove moisture and set the

adhesive. The dry corrugated board can then be trimmed,

slit, scored (7) and cut into sheets (8) for printing and

converting (9-10). Often the corrugated sheets are

printed to label, brand or promote the products that

will be in the finished box. After converting, trim

and scrap are recovered and sent to the recycli

for processing. In the final step the converted p

are bundled (11) and delivered to the customer.

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