vacuum sealing

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• vacuum sealing apparatus — A component in continuous zinc vapor deposition lines through which steel strips enter the deposition chamber and which prevents a build up of pressure within the chamber …   Dictionary of automotive terms

• Vacuum assisted closure wound therapy — Vacuum assisted closure (VAC) is a technique of wound closure used to promote healing in large or chronic wounds, fight infection and enhance healing of burns. VAC seals the wound with a foam dressing and applies negative pressure to the wound… …   Wikipedia

• Vacuum packing — Salt baked chicken feet sold in China: vacuum packed and ready to eat Vacuum packing or vacuum packaging is a method of packaging that removes air from the package prior to sealing. It can involve both rigid and flexible types of packaging. The… …   Wikipedia

• sealing apparatus — See vacuum sealing apparatus seam sealing …   Dictionary of automotive terms

• vacuum-packed — ☆ vacuum packed [vak′yo͞opakt΄ ] adj. packed in an airtight container from which most of the air was exhausted before sealing, so as to maintain freshness …   English World dictionary

• Vacuum pump — A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum. The vacuum pump was invented in 1650 by Otto von Guericke. Types Pumps can be broadly categorized according to three… …   Wikipedia

• vacuum technology — Introduction       all processes and physical measurements carried out under conditions of below normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the …   Universalium

• vacuum-packed — adjective : packed in a container that has much of the air removed before being hermetically sealed vacuum packed coffee * * * /vak yoohm pakt , yooh euhm , yeuhm /, adj. packed and sealed in a container, as a can or jar, with as much air as… …   Useful english dictionary

• vacuum-packed — /vak yoohm pakt , yooh euhm , yeuhm /, adj. packed and sealed in a container, as a can or jar, with as much air as possible evacuated before sealing, chiefly to preserve freshness. [1925 30] * * * …   Universalium

• vacuum-packed — vac′uum packed adj. coo packed, as in a can, with as much air as possible evacuated before sealing • Etymology: 1925–30 …   From formal English to slang

• Porosity sealing — Porosity sealing, also known as vacuum impregnating, metal impregnating, polymer impregnating, and porous metal sealing, is the process of filling a porous substrate to make it airtight. Process Porosity sealing is a four step process: Air within …   Wikipedia