Invention Grant
- Patent Title: Tablet hardness tester
- Patent Title (中): 片剂硬度计
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Application No.: US659993Application Date: 1984-10-12
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Publication No.: US4542646APublication Date: 1985-09-24
- Inventor: Daniel J. Smith , Jessie F. Glasscock, Jr. , Richard P. Poska , Carl L. Kuder
- Applicant: Daniel J. Smith , Jessie F. Glasscock, Jr. , Richard P. Poska , Carl L. Kuder
- Applicant Address: MI Kalamazoo
- Assignee: The Upjohn Company
- Current Assignee: The Upjohn Company
- Current Assignee Address: MI Kalamazoo
- Main IPC: G01N3/00
- IPC: G01N3/00 ; G01N3/08 ; G01N3/40 ; G01N33/00
Abstract:
An improved tablet hardness tester includes a ram and anvil for fracturing a tablet therebetween, a support for holding a tablet in position for fracturing between the ram and anvil, a strain gauge for measuring the force exerted by the ram in fracturing the tablet, and an indicator for indicating the measured force. The support according to the invention is a plurality of spaced-apart elongated member, preferably a pair of parallel wires. A tablet is placed on these wires and then crushed by the ram and anvil so that the pieces of the broken tablet fall beneath the wires into a container, thus eliminating the need for cleaning the support prior to a subsequent tablet hardness measurement.
Public/Granted literature
- US5116511A Water treatment system and method for operating the same Public/Granted day:1992-05-26
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