| 摘要 |
2127717 9411181 PCTABS00032 A method of treating laminated objects of plastics that have been damaged by osmosis or the like and which contain liquids and/or gases within laminate layers. Particularly within the damaged area the object is given such a temperature by controlled heating, that liquids are evaporated and gases are expanded in such a manner that covering layers are broken up and the damaged portion is exposed but also in such a manner that the damaged portion is not enduringly heated to a temperature exceeding 300 ·C. Preferably the heating is combined with exertion of a mechanical force against the object in way to remove the material which has been loosened due to the heating.
|
