Unit for filling and illuminating extendible pressure body has hollow bodies joined by valve; first hollow body is air pump system for filling with gas with light source fitted in second body

摘要

The device consists of hollow bodies (1,2) joined by a valve (3). The first hollow body (1) is built as an air pump system to enable filling with gas and a light source (5) can be fitted in the second hollow body (2). Gas or air can be pumped out of the first hollow body through the valve into the second hollow body.