| 摘要 |
A hollow glazing unit comprising vitreous sheets and a plastic foil wherein said vitreous sheets are held in spaced relationship by marginal spacing means which comprise one or more metal strips forming a spacing web located outward of the plastic foil, the metal strips being connected to the vitreous sheets by solder joints, wherein a plastic foil is held taut between and in spaced relationship to the vitreous sheets by means comprising components distinct from the spacing strip. |
