| 摘要 |
<p>At least 2 glass sheets are united around by a spaced electrical wire cement, and an intermediate layer at least locally. First a thin layer of cement is placed on one of a film of material which does not adhere to the cement, heater wires are then added in the required arrangement to the coating, which is separated from the film and placed between 2 glass sheets which are then cemented together. Preferably the coating is of the same cement as for joining the glass sheets, e.g. a polyvinyl butyral resin. The film is polyethylene.</p> |
