Patent EA-002557-B1 (EA)
Title: Coded security seal with a protective cover
IPC: G09F3/03
Filed: 1998-09-14
Abstract: 1. The coded safety seal with the protective cover (6), according to this invention, has been designed for the purpose of sealing the electricity meters and containers of any kind as well as the waggons, tugs, cisterns, mail bags and trunks, comprises the feminine part (2), thread (10), masculine part (4) with longitudional grooves (24), (26) and (28), (30) that are connected by an opening (22) in the centre and a passage (18) at the bottom of the masculine part (4), characterized in that the masculine part (4) has a protective cover (6) with an opening (20) at the top in which both longitudional grooves meet, and that the protective cover (6) catches the feminine part (2) of the seal when the masculine one is inserted into the opening (34) of the feminine part (2). 2. The safety seal, according to the Claim 1, characterized in that on the body of the masculine part (4) there are two pairs of spurs (14) and (16), symmetrically arranged on both lower sides of the body, that the longer pair of the spurs (14) is placed in the centre and the shorter one (16) at the bottom of the body, and that the top ends of the spurs are slightly bent from 3 - 8 degrees in relation to the axis of the body. 3. The safety seal, according to the Claim 1 and 2, characterized in that at the entrance into the feminine part (2) there is a slightly sloped flat part on which the body of the masculine part (4) is placed, and that the groove (34) of the feminine part (2) has two pairs of knobs (36) and (38) on which the tops of the spurs (14) and (16) rest when the masculine part (4) is inserted into the opening (34) of the feminine part (2). 4. The safety seal, according to the Claim 1 to 3, characterized in that when the masculine part (4) is inserted into the opening (34) of the feminine part (2) both pairs of spurs (14) and (16) are slightly bent towards the centre, the longer pair of spurs (14) is more and earlier bent while the shorter one (16) is less and later bent, but, they turn into the right position at the same time when they take their place on the knobs (36) and (38) which is accompanied by the characteristic click-sound indicating that the seal has correctly been installed. 5. The safety seal, according to the Claim 1 and 2, characterized in that in the masculine part (4) there is a firm built-in safety wire (32) whose loose end (50) serves for embracing the object that is to be sealed, that the safety wire has a metal basic wire (32) around which a thinner metal thread (40) is spirally wound and firmly attached to the basic wire (32), but which can, in case that the safety wire is several times bent or pulled, be detached from the basic wire (32), which presents a visible warning that there has been an unauthorized attempt of opening the sealing mechanism. 6. The safety seal, according to the Claim 1, characterized in that on the upper part of the protection cover (6) and narrower flank sides of the feminine pan (2) there are grooves (54) and (52) that prevent the finger sliding when inserting the masculine (4) into the feminine part (2), which means that the seal can be installed without help of any accessory tools. 7. The safety seal, according to the Claims 1, 2 and 5, characterized in that a flag (56) for writing out the data. is placed at the loose end of the safety wire. 8. The safety seal, according to the Claim 1, characterized in that on the outer larger sides of the feminine- part (2) code (46) and other alphanumerical (48) signs can be applied and these marks contain the number of the seal, identification data of the user and the person who has installed the seal, the time of the installation and other important data. 9. The safety seal, according to the Claims 1 to 8, characterized in that the feminine part (2), masculine part (4) and the thread (10) are made of a transparent material which makes any violent attempt to open the seal and sloppy assembling easily visible.