Document Type and Number:
Japanese Patent JPH07506305
Kind Code:
A
Abstract:
PCT No. PCT/SE93/00951 Sec. 371 Date Sep. 9, 1994 Sec. 102(e) Date Sep. 9, 1994 PCT Filed Nov. 9, 1992 PCT Pub. No. WO94/11181 PCT Pub. Date May 26, 1994A 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 DEG 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.
Application Number:
JP51199593A
Publication Date:
July 13, 1995
Filing Date:
November 09, 1993
Export Citation:
International Classes:
B29C73/26; B29C73/34; B63B5/24; B29L9/00; B63B81/00; (IPC1-7): B29C73/34; B63B5/24