Glossary


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1) Read/Write Tag

Technology that allows for a identification tag to be programmed and revised while the tag is still on the container, rack or pallet.

2) Pouch placard system

An identification/labeling procedure that utilizes plastic or paper pouches to house or container any necessary paperwork that should accompany a container, pallet or box.

3) Returnable container labeling

The method used to mark/identify returnable/reusable container and pallets to insure that they return to the proper destination.  Can be as simple as stenciling or as sophisticated as barcoding.

4) Picker pallet

A pallet used in distribution operations wherein the center stringer or block is grabbed by a center clamp to steady the pallet enabling goods to be stacked on it at an elevated height.

5) Rental pallet

A pallet owned by a third party, different from the actual user.

6) Returnable/reusable pallet

A pallet designed to be used for more than one trip.

7) Rotational molded pallet

A predetermined amount of powdered, granulated or liquid plastic is introduced into a hollow, shell-like mold.  This is followed by the closing, heating and rotating of the mold in two planes perpendicular to each other in order to distribute and fuse or "sinter" the plastic material to the internal configuration of the mold. Once the plastic mold is fully cured and the part is fully formed, the mold is removed from the eat source, and it undergoes accelerated cooling using either a water mist or cold air.  The pallet is then removed from the mold.

8) Pop-up chain sorter

The change in conveying direction is limited to being perpendicular to the original flow. Such a system is not suited to high- speed sortation and is mainly used for a load transfer or simple directional changes. It is suited best to handling heavy loads such as full pallets.

9) Platform conveyor

Another form of the conventional poternoster (See definition for Poternoster) is the platform conveyor that consists of multiple, equally spaced battens which form rigid horizontal surfaces in one direction (up and down) but behave like the front of a roll top desk on the return. Platform conveyor is an effective means of moving a continuous flow of pallets or other unit loads between levels. Another variation of the posternoster concept, which permits both vertical and horizontal movement of load, consists of freely swinging platforms suspended between two parallel chains.

10) Pick and place industrial robot

The "pick and place" industrial robot is used to feed or disengage parts or tools to or from a machine, or to transfer parts from one machine to another. A variation of a "pick and place" robot is used to build and undo unit loads on a pallet.

11) Palletizer

Palletizers are special machines capable of building a complete unit load on a pallet. Although the most common application is for cases, some palletizers can also handle sacks and bags. A less common palletizer application would be for special products such as sheet stock. There are two general methods employed for automatically building a full pallet. One makes use of a fixed position or overhead gantry robot with end effectors suited to the individual loads, such as vacuum lifts or a gripper. The other method employs more complex mechanisms for forming pallet layers off line, one at a time, and then shifting or transferring each successive layer onto the pallet as it is lowered via a lift/lower table.

12) Pallet stacking frame

A load securing device that often can take the place of containers or bins. This device consists on iron posts and connecting frame members resting on the four corners of a pallet creating an open container in appearance with a certain amount of load retention ability. The frames are removable for storage, but when in use, the loaded pallets can be block stacked on the floor. This is a particular advantage for unit loads that would not stack safely without the rigid frame. There are other attachments such as special metal frames and welded wire gates, but none of these allow for pallet stacking.

13) Pallet truck

A manually powered fork truck. The operator physically pushes the forks into the opening on the pallet and "jacks" the racheting lift mechanism so as to raise the pallet off the floor. Once lifted, the load can be manually moved from place to place.

14) Push back rack

Utilizing wheels in the rack structure, this rack system allows palletized goods and materials to be stored by being pushed up a gently graded ramp.  Stored materials are allowed to flow down the ramp to the aisle.  This rack configuration allows for deep storage a each rack level.

15) Pallet flow rack

May be considered back-to-back selective rack.  Inclined conveyor wheel sections are installed in the rack enabling back-loaded pallets are allowed to flow by gravity to the front or pick face.  Pallet flow rack is useful for the movement of fast-moving items and serves to increase density of storage and throughput.