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The Pressure-Fed Fountain Paint Brush: Air Pushes the Paint, a Finger Stops It
Gottfried Meyer and Charles G. Braun, Philadelphia, Pennsylvania · Public domain (expired patent)
Emma

Nilikha ni

Emma

6. Oktubre 2026SE
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The Pressure-Fed Fountain Paint Brush: Air Pushes the Paint, a Finger Stops It

Painting from a pot means stopping every few strokes to reload the brush. Gottfried Meyer and Charles G. Braun of Philadelphia received US 821,879, patented 29 May 1906, for a fountain paint brush: a reservoir pressurised through an air pipe with a check valve sends paint along a hose to a tube in a recess of the brush head and out through a flattened flexible web among the bristles; a spring holds a plunger open, and the forefinger pushes its knob to cut the paint off. This rung works out how paint thickness and pressure set the flow, then builds the tank from a bottle and a tyre valve, feeds a brush, and measures the flow.
Katamtaman
About 3 hours

Mga Tagubilin

1

Flow through the hose

Naglo-load ng Jupyter notebook…
2

A one-way valve before it

The embedded blueprint lets flow pass one way only. Meyer and Braun put one on the air pipe so the pumped air stays in the paint tank.
3

Read US 821,879

"The knob 35 is disposed in convenient position for the fore or index finger of the hand which holds the brush, and the valve or plunger 33 can thus be easily maintained in its closed or inward position and the supply of paint cut off when not required." "The air-pressure causes the paint to flow to the brush no matter in what position the latter may be held and the flow is under complete control of the operator, as above noted."
4

Fit the cap

Drill a 1.5 L PET bottle's cap for a tyre valve and for vinyl tubing. Seat the valve, and push the tubing through until it touches the bottom. Seal both with epoxy.

Mga materyales para sa hakbang na ito:

Boteng PET (inuming may gas)Boteng PET (inuming may gas)1 piraso
Balbula ng gulongBalbula ng gulong1 piraso
Malinaw na tubong binilMalinaw na tubong binil1 piraso
Epoksing dalawang bahagiEpoksing dalawang bahagi1 piraso

Mga kailangang kasangkapan:

Walang-Kableng BarenaWalang-Kableng Barena
Hanay ng Talim ng BarenaHanay ng Talim ng Barena
Kutsilyong Pang-arteKutsilyong Pang-arte
5

Feed the brush

Drill a 6 mm hole down through the stock of a 70 mm brush from the set, beside the handle. Push silicone tubing through it into the bristles and flatten its last 30 mm with a cable tie.

Mga materyales para sa hakbang na ito:

Set ng brotsaSet ng brotsa1 piraso
Tubong SilikonTubong Silikon1 piraso
Mga taling kableMga taling kable1 piraso

Mga kailangang kasangkapan:

Bais sa Mesang PanggawaBais sa Mesang Panggawa
Walang-Kableng BarenaWalang-Kableng Barena
Hanay ng Talim ng BarenaHanay ng Talim ng Barena
6

Make the finger valve

Screw a hardwood block to the handle over the tubing. Fit an M5 screw through it with a spring under the head, so the screw rests off the tube and a press of the forefinger pinches it shut.

Mga materyales para sa hakbang na ito:

Mga tarugong matigas na kahoyMga tarugong matigas na kahoy1 piraso
Mga turnilyo ng makinaMga turnilyo ng makina1 piraso
Hanay ng Spring na PanipiHanay ng Spring na Panipi1 piraso

Mga kailangang kasangkapan:

Lagaring Pang-metalLagaring Pang-metal
Walang-Kableng BarenaWalang-Kableng Barena
Hanay ng Talim ng BarenaHanay ng Talim ng Barena
Set ng mga distornilyadorSet ng mga distornilyador
7

Join and pressurise

Join the bottle's tubing to the brush's with a 1.5 m length. Half fill the bottle with acrylic paint thinned with water, cap it, and pump to 0.2 bar on the gauge.

Mga materyales para sa hakbang na ito:

Set ng pinturang akrilikoSet ng pinturang akriliko1 piraso
TubigTubig1 piraso

Mga kailangang kasangkapan:

Bomba ng bisikletaBomba ng bisikleta
Panukat ng DiinPanukat ng Diin
8

The patent drawing

US 821,879 drawing sheet, public domain (expired patent).
Hakbang 8 - Image 1
9

Measure the flow

Hold the brush over the measuring cylinder for 30 s and read the paint. Repeat at 0.4 bar, with the brush upside down, and with the button pressed.
Hakbang 9 - Image 1

Mga kailangang kasangkapan:

Silindrong panukatSilindrong panukat
Panukat ng OrasPanukat ng Oras
Panukat ng DiinPanukat ng Diin
10

A brush that floods, starves or will not stop

Pressure-fed fountain paint brush troubleshooting.

Flow

Loading...
11

History and honest limits

**Gottfried Meyer** and **Charles G. Braun** of Philadelphia filed US 821,879 on 22 November 1905; it was patented 29 May 1906. Their reservoir has a valve casing with a detachable plug valve; a pipe reaches the bottom with lateral apertures; a sheet-metal band closes the recess in the brush head; all parts detach for cleaning when the colour is changed. **Honest limits.** A pinch on silicone tubing stands in for their plunger in a tube, and a PET bottle at low pressure for their reservoir. The notebook treats paint as a simple liquid. Your flows are the result.

Mga Materyales

12

Mga Kinakailangang Kasangkapan

10

Kaugnay na Blueprint

Ang mga blueprint na ito ay nagbabahagi ng kaalaman — mga teknik, materyales, o prinsipyo

One Way Only: The Check Valve and the Bang It Makes

One Way Only: The Check Valve and the Bang It Makes

ni MartinNO

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The Tube-in-the-Back Fountain Brush: Turn the Tube and the Jets Become a Soak

The Tube-in-the-Back Fountain Brush: Turn the Tube and the Jets Become a Soak

ni YourGrandmaIS

Mekanika

34
0
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The Long-Handled Fountain Brush: A Ring of Holes Wets the Bristles From the Ground

The Long-Handled Fountain Brush: A Ring of Holes Wets the Bristles From the Ground

ni MartinNO

Mekanika

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CC0 Pampublikong Domain

Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.

Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.

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