System for introducing additive into a container

Details System for introducing additive into a container System for introducing additive into a container

1990-03-28

1990-11-20

Price, William I.

Special receptacle or package

For mixing

B65D 2508

Patent

active

049711938

ABSTRACT:
A system for introducing a flowable additive (3) from a capsule (1) to paint (4), varnish, woodstain or the like in a closed (preferably lidded) container (2) (for example a paint container) modified by the provision of a relatively easily openable inlet (9) into the container. Preferably the inlet is located in a lid (6). The Capsule comprises a chamber (23) which defines a volume which contains the additive. The system is provided with means (25 and 34) for creating an opening in the chamber which can communicate with the inlet and means (preferably a compressible chamber) for positively expelling additive through the opening by contracting the volume which contains the additive. The capsule and container are also provided with co-operable locating means (10 and 30 with 25) which can co-operate to assist in locating the opening created in the chamber in communication with the inlet. Also a capsule and a closed container for use in the system and a method of introducing additive using the system. Use of the system reduces the risk of spillage and splashing and permits more controlled tinting of paint and therefore is more suitable for use by inexperienced people.

REFERENCES:
patent: 2524366 (1950-10-01), Smith
patent: 2524607 (1950-10-01), Smith
patent: 2528530 (1950-11-01), Machleder
patent: 2677459 (1954-05-01), Ritzenberg
patent: 2696337 (1954-12-01), Dinhofer
patent: 2719628 (1955-10-01), Ivanoff
patent: 2819738 (1958-01-01), Marberg
patent: 3347410 (1967-10-01), Schwartzman
patent: 3439823 (1969-04-01), Morane
patent: 3521745 (1970-07-01), Schwartzmann
patent: 3720523 (1973-03-01), Nakagami
patent: 4386696 (1983-06-01), Goncalves
patent: 4401225 (1983-08-01), Schwaikert
patent: 4570826 (1986-02-01), Fattori
patent: 4727985 (1988-03-01), McNeirney et al.

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