Bubble Wrap (brand) Bubble Wrap (brand) Bubble Wrap (originally Air Cap) is a trademarked brand of Sealed Air Corporation that includes numerous cushioning products made from bubble wrap. The brand is produced by the Product Care division of Sealed Air. Both the Bubble Wrap brand and product were introduced in 1960, with the launch of Sealed Air. Although the brand was originally used for the packaging of IBM computers, Sealed Air now does most of its Bubble Wrap business in the food packaging industry. Bubble wrap was invented in 1957 by engineers Alfred Fielding and Marc Chavannes in Hawthorne, New Jersey. Fielding and
Symbols and conventions used in welding documentation committee sought to establish a global standard during this decade. In engineering drawings, each weld is conventionally identified by an arrow which points to the joint to be welded. The arrow is annotated with letters, numbers and symbols which indicate the exact specification of the weld. In complex applications, such as those involving alloys other than mild steel, more information may be called for than can comfortably be indicated using the symbols alone. Annotations are used in these cases. In the US, the component elements of the weld specification are: If a particular welding process needs to be indicated in