Closure applying apparatus

Details Closure applying apparatus Closure applying apparatus

B - Operations, Transporting

67

B

226/98

B67B 3/20 (2006.01)

Patent

CA 1285913

ABSTRACT Closure applying apparatus The invention relates to a closure applying appa- ratus (1) suitable for use in capping machines for pla- cing on a container (B) having a threaded neck portion (26) and an annular collar (30) below said neck portion a tamper-evident screw-type capsule (A) made of rigid plastic material and having a lower skirt portion (27) which is connected by a plurality of thin frangible bridge portions (28) to an upper internally threaded skirt portion (22) and is provided with an inwardly projecting bead (29) for snap engaging beneath said an- nular collar (30) as a result of screwing of the capsu- le (A) on the container (B). The apparatus comprises a rotary, vertically reciprocable capping chuck having a plurality of jaws (4) for gripping the capsule (A), each jaw (4) being provided at its lower end with an inner flange (14) which engages from below the edge of the lower skirt portion (27). The flanges (14) of the jaws (4). form an abutment surface for the lower skirt portion (27), which absorbs the forces produced during snap movement of the inwardly projecting head (29) over the collar (30) of the container (B), thus preventing fracture of the brigdes (28) during the capping opera- tion. (Figure 3)

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