ultrasonic sealing
21Overwrap — An Overwrap or wrap is applied over an item in a package or is applied over another form of packaging. It is often made of plastic film (sometimes called Polywrapping) or paper.[1] Contents 1 Functions 2 Types of Overwraps 2.1 …
22Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
23Paperboard — Corrugated fiberboard made from paperboard Paperboard is a thick paper based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over 0.25 mm/0.010 in or 10 points)… …
24Barrel — For other uses, see Barrel (disambiguation). For the use of oak aging barrels in wine, see Oak (wine). Traditional oak barrels in Chile …
25Drum (container) — A standard, 55 US gallon / 44 Imperial gallon drum. A drum is a cylindrical container used for shipping bulk cargo. Drums can be made of steel, dense paperboard (commonly called a fiber drum), or plastics, and are generally used for the… …
26Carton — Examples of several types of cartons for different products Carton is the name of certain types of containers typically made from paperboard which is also sometimes known as cardboard. Many types of cartons are used in packaging. Sometimes a… …
27Crate — For other uses, see Crate (disambiguation). A crate used to transport ordnance A crate is a large shipping container, often made of wood, typically used …
28Keg — This article is about the metal container. For the drum, see music of the Virgin Islands. For beer which is served from a pressurized keg, see Keg beer. 50 liter DIN keg, cutaway A keg is a small barrel. Traditionally, a wooden keg is made by a… …
29Leak — A leak is a hole or other opening, usually unintended and therefore undesired, in a container or fluid containing system, such as a tank or a ship s hull, through which the contents of the container can escape or outside matter can enter the… …
30Molded pulp — Molded pulp, also named Moulded pulp or Molded Fibre, is a packaging material, typically made from recycled paperboard and/or newsprint. It is used for protective packaging or for food service trays and beverage carriers. Other typical uses are… …
