Abstract

Provided are a self-sealing strip and child-safe anti-open packaging bag, the self-sealing strip comprising a first seal strip (1), and a second seal strip (2) snap-fit connected to the first seal strip (1); each of the first seal strip (1) and the second seal strip (2) comprises a clamping strip; the clamping strips are divided into a male clamping strip (3) and a female clamping strip (4); the male clamping strip (3) comprises a ridge part (31), and an inner hook part (32) connected to the ridge part (31), the angle between the inner hook part (32) and the ridge part (31) being an acute angle; the female clamping strip (4) comprises a left hook-shaped main-strip part (41) and a right hook-shaped main-strip part (42), the gap between the left hook-shaped main-strip part (41) and the right hook-shaped main-strip part (42) constituting a recess (43) for latching with the inner hook part (32); the inner angles of both the left hooked main-strip part (41) and the right hook-shaped main-strip part (42) are acute angles; the clamping strips of the first seal strip (1) or the second seal strip (2) are provided with at least one weakened segment (7) which easily separates the first seal strip (1) from the second seal strip (2), and the weakened segment (7) consists of a plurality of consecutive oblique notches. Other than at the position of the weakened segment (7), the self-sealing strip cannot be opened; the design is unique, and after fastening, the bag is secure.

IPC Classes  ?

• B65D 33/25 - RivetingDovetailingScrewingEnd- or aperture-closing arrangements or devices using press buttons or slide fasteners
• B65D 33/28 - Strings or strip-like closures
• B65D 33/16 - End- or aperture-closing arrangements or devices
• B65D 50/12 - Disguised or hidden forms of closures, e.g. dummy closure in association with removable closure forming container base
• B65D 50/04 - Closures with means for discouraging unauthorised opening or removal thereof, with or without indicating means, e.g. child-proof closures openable or removable by the combination of plural actions requiring the combination of simultaneous actions, e.g. depressing and turning, lifting and turning, maintaining a part and turning another one