Box Basics

Corrugated fiberboard, or combined board, has two main components: the linerboard and the medium which is designated by the size of wave or flute. Both components are made of a special kind of heavy paper called containerboard. Linerboard is the flat facing that adheres to the medium. The medium is the wavy, fluted paper in between the liners.  Harvest Container Company manufactures single wall and double wall corrugated fiberboard as well as "double arch" (double layered medium between two linerboards).
Harvest Container produces corrugated fiberboard in B-flute and C-flute only.  Generally, the larger flute profiles provide the greatest vertical compression strength and cushioning. 
Different flute profiles can be combined in one piece of combined board. Mixing flute profiles allows us to manipulate the compression strength, cushioning strength and total thickness of the combined board to meet any need.  In addition, the medium can be wax impregnated to control moisture within and outside of the container.

Box Joints

A flat piece of corrugated fiberboard, which has been cut, slotted and scored is called a box blank. For some box styles, in order to make a box, the two ends of the box blank must be fastened together with tape, staples or glue. The places where these two ends meet is known as the manufacturer's joint.
Liquid adhesives are most often used to join two surfaces. Often there is a glue tab, extending along one end of the box blank. 
This tab is scored and folded to form one corner of the box when joined. The tab can be joined to either the inside of the outside of the box. If there is no tab, the box must be joined using tape.  Government regulations control the minimum size of the glue tab as well as specifications for the tape used and the distance between the staples. Not all boxes have manufacturer's joints. For example, the bliss box does not. However, most widely used box styles have a manufacturer's joint.

Box Dimensions and Measuring for a Box

Dimensions are given in the sequence of length, width and depth. Internationally, the words "length", "breadth", and "height" may be used to express these dimensions. The dimensions of a box are described based on the opening of an assembled box, which can be located on the top or side, depending on how it is to be filled.  The dimensions of a box are based on the opening; the longer side is considered its length, while the shorter side is considered its width. The side perpendicular to the length and width is considered the depth of the box.

Dimensions can be specified for either the inside or the outside of the box, Accurate inside dimensions must be determined to ensure the proper fit for the product being shipped or stored. At the same time, palletizing and distributing the boxes depends on the outside dimensions. We need to know which dimension is most important to the customer.

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