US151066A - Improvement in medicine-droppers - Google Patents

Improvement in medicine-droppers Download PDF

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US151066A
US151066A US151066DA US151066A US 151066 A US151066 A US 151066A US 151066D A US151066D A US 151066DA US 151066 A US151066 A US 151066A
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Prior art keywords
medicine
tube
droppers
improvement
drops
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028Pumps having a pumping chamber with a deformable wall
    • B05B11/1032Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke

Definitions

  • the invention consists in a medicinedropper, constructed and applicable as hereinafter fully described.
  • A represents the rubber bulb that clasps the neck of the bottle with its open end
  • B the dropper, dispenser, or discharge-tube placed at one side and near the front end.
  • the latter has walls parallel on the inner side throughout its length, the end being a flat surface or a little concave, and at right angle to the axis of the bulb A. This is the only shape that will enable a tube to dispense uniform drops, as there is a tendency in fluids to spread 011 oval or tapered surfaces.
  • My device drops by pressure, the same-sized tube and caliber dropping equally well all degrees of fluidity, from sirups t0 ether and chloroform; also enables the operator to time the frequency of the drops, so as to make an accurate count.
  • the bulb serves for a reservoir when the medicine is poured from the vial, and from which it is forced by pressure through the discharge-tube.
  • the bulb A is a tapered tube, which was adopted for convenience, so that the same may embrace all sizes of vials in which prescriptions are generally put up.

Description

D. WARNER,
Medicine-Mappers.
NOJBLOGG, Patented May 19,1874.
Wiinesses. V Inventor;
' b Per fm Attorneys.
NrrEn STATES PATENT OFFICE.
DENNIS WARNER, OF LONDON, OHIO.
IMPROVEMENT IN MEDlCiNE-DROPPERS.
Specification forming part of Letters Patent No. 151,066, dated May 19, 1874; application filed March 15, 1873.
To all whom it may concern:
Be it known that I, DENNIs WARNER, of London, in the county of Madison and the State of Ohio, have invented a new and Improved Medicine-Dropper; and I do declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawing forming a part of this specification, in which the figure is a longitudinal section of my invention.
The invention consists in a medicinedropper, constructed and applicable as hereinafter fully described.
A represents the rubber bulb that clasps the neck of the bottle with its open end, and B the dropper, dispenser, or discharge-tube placed at one side and near the front end. The latter has walls parallel on the inner side throughout its length, the end being a flat surface or a little concave, and at right angle to the axis of the bulb A. This is the only shape that will enable a tube to dispense uniform drops, as there is a tendency in fluids to spread 011 oval or tapered surfaces.
The ordinary gum nipple on the month of a vial is totally unfit for dispensing drops, because the moist surface widens and the drops accumulate until two, three, or four will be discharged at once. In consequence, the patient often gets an overdose, and sometimes by it loses his life. In my tube all danger is removed, because the fiuid will not pass the angle formed by the flat end and the wall of the tube. Hence the end of the tube is the whole dropping-surface, is always the same, and renders the drops uniform.
My device drops by pressure, the same-sized tube and caliber dropping equally well all degrees of fluidity, from sirups t0 ether and chloroform; also enables the operator to time the frequency of the drops, so as to make an accurate count.
The bulb serves for a reservoir when the medicine is poured from the vial, and from which it is forced by pressure through the discharge-tube. The bulb A is a tapered tube, which was adopted for convenience, so that the same may embrace all sizes of vials in which prescriptions are generally put up.
Hz ving thus described my invention, what I claim as new is- The rubber bulb A, having dropper B, with parallel inner walls, and with the end flat or concave, and at right angles to the axis of bulb, as and for the purpose specified.
DENNIS WARNER.
Witnesses: B. BLAKE,
AMELIA FoUcH.
US151066D Improvement in medicine-droppers Expired - Lifetime US151066A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424896A (en) * 1944-04-19 1947-07-29 George W Oakes Fountain pen filling device
US2833448A (en) * 1954-08-31 1958-05-06 Gillette Co Dispenser
US2901151A (en) * 1958-07-18 1959-08-25 Paul C Kiyuna Vacuum type dispenser
US20190183294A1 (en) * 2017-12-15 2019-06-20 PresentCare Inc. Fluid dispenser
USD951437S1 (en) 2018-10-17 2022-05-10 PresentCare, Inc. Fluid dispenser

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2424896A (en) * 1944-04-19 1947-07-29 George W Oakes Fountain pen filling device
US2833448A (en) * 1954-08-31 1958-05-06 Gillette Co Dispenser
US2901151A (en) * 1958-07-18 1959-08-25 Paul C Kiyuna Vacuum type dispenser
US20190183294A1 (en) * 2017-12-15 2019-06-20 PresentCare Inc. Fluid dispenser
US10932626B2 (en) * 2017-12-15 2021-03-02 PresentCare Inc. Squeezable fluid dispenser
US20210259481A1 (en) * 2017-12-15 2021-08-26 PresentCare Inc. Squeezable fluid dispenser
USD951437S1 (en) 2018-10-17 2022-05-10 PresentCare, Inc. Fluid dispenser

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