Back to results
US 6,745,546 B2Granted
Encapsulation machine with valved injection wedge
AssigneeR.P. Scherer Technologies, LLC
InventorsKeith Tanner, Robert P. Waranis
Life of this patent
Estimating the term…
Abstract
This invention relates to a method and apparatus for forming soft capsules and provides novel processing flexibility. The apparatus comprises a three-way valve injector wedge. This injector wedge allows for set-up of the encapsulation machine with a placebo fill and quick change over to active fill. This conserves use of the active ingredient.
Claims13
An apparatus for encapsulation comprising:
- a) at least one casting drum for the preparation of a ribbon;
- b) ribbon rollers for transportation of said ribbon to two rotary dies;
- c) two fill hoppers;
- d) a valved injection wedge disposed between and in communication with said rotary dies;
- e) two sets of fill lines each in communication with a respective one of said fill hoppers and said valve injection wedge;
- f) two sets of return lines each in communication with said valved injection wedge and a respective one of said fill hoppers;
- g) said valved injection wedge containing a valve mounted within said wedge for randomly selecting between said two fill hoppers.
4 more elements
Dependencies are inferred from the claim text.