GB225550A - An outfit case or holder for the taking of plaster impressions for use in dentistry - Google Patents

Abstract

225,550. Robinet, G. Nov. 28, 1923, [Convention date]. Fittings, internal.-A case is constructed and fitted so as conveniently to contain the various appliances and materials used in taking plaster impressions for dental purposes. In the form shown a pressed sheet-iron casing comprises two parts 1, 2 hinged together at 3 and provided with a latch 4. The upper portions of the parts 1, 2 are fitted with pegs 6 for the impression trays 7, and the part 1 is fitted with a flanged shelf 8 for a series of numbered travs 9. A drawer 10 for salt is secured to the under side of the shelf. Rubber cups 14 and an hermetically closing plaster container 11 are supported on a flanged plate 18 at the bottom of the part 1. The plate 12 is formed with an aperture 13 so that the container 11 may be pressed upwardly to release it. Spatulas 15 are held in oblique slots 16 in pieces 17 sliding on rails 18 so that they may be drawn out in front of the shelf 8. A mirror 19 is fitted to the outside of the part 2 of the casing. The form of the container, the. materials from which 't is made, and the arrangement of the various parts within the case may be varied. The Specification as open to inspection under Sect. 91 (3) (a) states also that the container may be of glass or in the form of a box or chest. This subject-matter does not appear in the Specification as accepted.