05698155 is referenced by 233 patents and cites 38 patents.

A method and apparatus for manufacturing pharmaceutical capsules use an aqueous solution of a thermogelling cellulose ether composition and use capsule body pins and capsule cap pins as molds. The method involves heating the pins, dipping the pins into the solution to cause the solution to gelatinize on the surface of the pins, removing the pins and drying the gelatinized solution on the surface of the pins to form capsule bodies and capsule caps. Pins are heated pre-dip and post-dip to facilitate gelating. Counterflow air is applied to provide drying from the inside. Capsule parts are removed by gripping. Capsule parts may have a thick wall and a stiffening ring.

Title
Method for the manufacture of pharmaceutical cellulose capsules
Application Number
708023
Publication Number
5698155
Application Date
January 24, 1995
Publication Date
December 16, 1997
Inventor
Clair S Andrew
Provo
UT, US
Jeffory B Anderson
Springville
UT, US
Ralph R Grosswald
Fairfield
IA, US
Agent
John L Lee
Assignee
GS Technologies
IA, US
IPC
B29C 41/46
B29C 41/14
B29C 33/06
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