| 摘要 |
1331390 Window or door frames W HARTMANN & CO ZWEIGNIEDERLASSUNG NURNBERG 23 Dec 1971 [8 Jan 1971] 59912/ 71 Heading E1J An assembly comprises metallic frame parts 1, 2 with T-shaped portions, and two strips 5 of heat insulating material each having projections engaging behind both portions. Further projections 6 abut together between the portions and are secured by adhesive 4. The strips are of plastics e.g. PVC or neoprene. |
