| 摘要 |
FIELD: construction. ^ SUBSTANCE: present invention pertains to means of sealing doors, safes, containers, wagons, sacks, boxes etc., so as to monitor integrity of goods, documents, moveable property etc. The seal comprises, joined together, a hollow case with through running stepped slit-type aperture and a flat flexible female element with groups of elastic slanting teeth. Teeth from different groups are on opposite sides of the female element and are slanted towards each other. Teeth near the case bulge on the opposite side of the female element. The size of the lower part of the aperture is comparable to the sum of the thickness of the smooth part of the female element and the height of the teeth, compressed within the limits of elastic deformation, while the higher part is comparable to thrice the thickness and height of teeth. ^ EFFECT: monitoring integrity of goods, documents and moveable property. ^ 4 cl, 3 dwg |
