Abstract: The present invention concerns a component (10; 110; 210) for a jewellery and/or costume jewellery item (1; 101; 201; 301), suited to be used for making chains, small chains, necklaces, bracelets, earrings and similar items. The component (10; 110; 210) comprises a first element (20; 120; 220) and a second element (40; 140; 240) connected together in such a way as to form a chain section. The first element (20; 120; 220) and the second element (40; 140; 240) can be coupled at the level of two contact areas (62, 64; 162, 164; 262, 264), wherein in at least one of the two contact areas (62, 64; 162, 164; 262, 264) the first element (20; 120; 220) comprises a first contact surface (22, 24; 122, 124; 222, 224) which is lowered with respect to the adjacent surfaces (22a, 22b; 24a, 24b) and wherein the first lowered contact surface (22, 24; 122, 124; 222, 224) is suited to receive a second contact surface (42, 44; 142, 144; 242, 244) of the second element (40; 140; 240).

Abstract: A fastening and/or connection device makes it possible to fasten jewellery and/or costume jewellery items. Each item includes a first free end and a second free end that are joined together. The device includes a first portion to connect to the first free end of the item and a second portion suited to be connected to the second free end of the item. The device includes a main body, first connection means suited to place the main body and the first portion in a disengaged operating configuration or in an engaged operating configuration. A second connection means places the main body and the second portion in a disengaged operating configuration or in an engaged operating configuration.

Abstract: The present invention concerns a fastening and/or connection device (10; 110, 210) for a jewellery and/or costume jewellery item (B), wherein said item (B) comprises a first free end (B1) and a second free end (B2) to be joined together. The device (10; 110; 210) comprises a first portion (20; 120) suited to be connected to the first free end (B1) of the item (B) and a second portion (30; 130) suited to be connected to the second free end (B2) of the item (B). The device (10; 110; 210) comprises a main body (40; 140), first connection means (50; 150; 250) suited to place the main body (40; 140) and the first portion (20; 120) in a disengaged operating configuration or in an engaged operating configuration, and second connection means (60; 160) suited to place the main body (40; 140) and the second portion (30; 130) in a disengaged operating configuration or in an engaged operating configuration.