Locking closure cap

Details Locking closure cap Locking closure cap

B - Operations, Transporting

65

D

210/45

B65D 55/02 (2006.01) B65D 47/14 (2006.01)

Patent

CA 1127115

ABSTRACT A closure cap construction for a dispensing con- tainer, the cap portion thereof being of the type intended to be held permanently captive on the container and having a dispensing orifice permitting selective discharge of the container contents. The cap portion comprises a body hav- ing an internal, double-helical screw thread adapted to engage a corresponding screw thread on the neck of the container. In addition, the body has an internal, down- wardly facing shoulder from which there extends a series of molded, integral locking ratchet teeth. The upper ends of the teeth are joined to the shoulder, and the lower ends of the teeth are exposed and unconnected, and are intended to by-pass a series of cooperable locking ratchet teeth on the container neck. Also, the root diameters of both the internal thread and the cap locking teeth are substantially the same, which simplifies the molding of the cap. The advantages of the present construction over the devices of the prior art are that the shoulder provides a desirable stiffening and strengthening effect to the cap teeth, so as to minimize flexing or deformation thereof. Also, because the cap teeth are disposed above the level of the cap threads, the teeth do not interfere with the threads as the latter are being "started", this arrangement reduces the manufacturing cost in that it facilitates the use of high-speed, automatic capping equipment after the filling of the containers with the intended product.

361530

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