Arrangement for closing the barrels of tampon inserters

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United States of America Patent

PATENT NO 4302174
SERIAL NO

06093119

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The serrated end portions of the barrels of catamenial tampon inserters are permanently deformed into a substantially hemispherical shape by applying heat and pressure thereto in depressions provided at the periphery of a container which accommodates a confined body of liquid, such as silicon oil, and a heating device which maintains the temperature of the body of liquid within a predetermined range. The heating device includes an electric heater which extends only over a part of the trajectory of movement of the deforming depressions. The barrel preforms are supplied to alternate depressions of an odd number of depressions and the final assemblies are discharged only after they have completed more than a full circle about the axis of rotation of the container.

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Patent Owner(s)

  • HAUNI RICHMOND, INC.;HUANI RICHMOND, INC.

International Classification(s)

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Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances1979198019811982198319841985198619871988198919900255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hinzmann, Alfred Richmond, VA 18 291

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  • 16 Citation Count
  • B29D Class
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  • 44 Age
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