sealing


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sealing

[′sēl·iŋ]
(metallurgy)
Impregnation of porous castings with resins to overcome porosity.
Reducing porosity of an anodic oxide film on aluminum and aluminum alloys by immersion in boiling water.
References in periodicals archive ?
The 72 page guide also includes advice on the storage and handling of elastomeric seals, a glossary of sealing terms, and conversion factors including units of common usage in sealing terminology.
Malfunctions are said to frequently be caused by incorrect dimensioning, unsuitable sealing materials or influences resulting from seal design which have not been taken into consideration.
Welding equipment from Italian companies includes heat sealing for film (bag-making, wrapping); high-frequency welding for stationery, packaging, automotive parts, medical items, and inflatables; and ultrasonic welding for assembling molded and/or extruded parts.
In a low-pressure sealing application, system pressure does not cause a noticeable increase in the seal's sealing force.
Chesterton has a broad range of unique packing and gasketing products designed to meet the increasingly difficult sealing challenges of today and tomorrow.
Bal Seal, a world leader in high pressure liquid chromatography sealing solutions, is working on 30,000 psi pump seals in partnership with several major industry OEMs.
Some samples are removed at room temperature, because it is felt that this is the condition the material will see in a sealing situation.
Other advantages over heat sealing reportedly include shorter sealing and hot-tack times, lower energy costs, and immediate system readiness (no preheating required).
The seals division supplies mechanical seals, seal supply system, static seals, automotive seals, magnetic couplings, stuffing box packings, and rotary kiln sealing systems for industrial pumps, compressors, mixers and more.
The initial bonding strength of the adhesive may be such that the seal can move on the host surface during assembly, which can result in quality or sealing issues.
Thermo-contact welding, high-frequency (RF) sealing, and combination RF/contact-equipment for sealing a wide range of plastics.
This is also seen in the rubber sealing industry, according to the literature.