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The Rod-and-Eye Stopper: Pull the Eye and the Plate Beneath Pushes the Cork Out Whole
Charlie

Created by

Charlie

30. September 2026DE
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The Rod-and-Eye Stopper: Pull the Eye and the Plate Beneath Pushes the Cork Out Whole

A cork drawn with a corkscrew is pierced and weakened, crumbles after a few uses, and is easily lost. Joseph Bell Alexander of Washington, District of Columbia, received US 65,857, dated 18 June 1867, for a stopper "which can be easily drawn in a moment without a cork-screw, and which, when in place, will present no corrodible substance to the action of gases or liquors with which it is inserted and may come in contact; and also to so construct the stopper that it will bear continued use without becoming broken or lost." A rod with an eye at its top runs down a bore through the cork, from a washer on top to a plate near the bottom; the bore below the plate is filled with cork, gum or a screwed plug, and the stopper can be tied to the bottle through the eye. This rung works out the stress the rod saves the cork, then makes the stopper from a cork, wire and washers and draws it many times.
Beginner
About 2 hours

Instructions

1

The cork in compression

Loading Jupyter Notebook...
2

A stopper drawn by hand before it

The embedded blueprint makes a rubber stopper drawn by hand. Alexander keeps the cork and draws it by a rod through its middle.
3

Read US 65,857

"I make the body A (see drawings) of my stopper of cork, India rubber, gutta percha, wood, or any other suitable material, in any of the known forms, externally. Longitudinally through the centre of this body A I make a bore which will admit a metallic rod or wire, C, with an eye or circle bent upon its upper end, and which is first passed through a hole countersunk in the metallic washer or cap B." "The advantages of this improvement are as follows: The stopper can be instantly drawn by inserting through the eyelet of the rod C a small stick, nail, or piece of twine, doing away with the necessity of a cork-screw. Being supported at each end by the plates B and D, the stopper cannot be broken by ordinary use."
4

Make the stopper and draw it again and again

**Bore.** Drill a 5 mm hole down the centre of a tapered cork, from its top to 8 mm short of its bottom, then widen the last 8 mm to take a washer. **Rod.** Bend an eye in the end of a length of stainless steel wire. Pass it through a washer as the cap B, down the bore, and through a second washer as the plate D at the bottom of the bore. Bend the wire's end flat under the plate and trim it. **Seal.** Fill the bore below the plate with melted paraffin wax, level with the cork's bottom, so the drink touches only cork and wax. **Test.** Fill a bottle with water and push the stopper in. Tie it to the neck with twine through the eye. Put a nail through the eye and draw the stopper. Repeat twenty times, then compare its surface with an ordinary cork drawn twenty times with a corkscrew.

Materials for this step:

CorksCorks2 pieces
Stainless Steel WireStainless Steel Wire0.2 meter
Flat WasherFlat Washer2 pieces
Paraffin WaxParaffin Wax1 piece
Cotton TwineCotton Twine0.5 meter
NailsNails1 piece
Glass Bottle (Clear)Glass Bottle (Clear)1 piece
WaterWater1 liter

Tools needed:

Cordless DrillCordless Drill
Drill Bit SetDrill Bit Set
Round-nose PliersRound-nose Pliers
Wire CuttersWire Cutters
Kitchen KnifeKitchen Knife
Kitchen ThermometerKitchen Thermometer
Wine Bottle Corking KitWine Bottle Corking Kit
5

A stopper that crumbles, sticks or pulls apart

Rod-and-eye stopper troubleshooting.

Flow

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6

History and honest limits

**Joseph Bell Alexander** of Washington, District of Columbia, received US 65,857, dated 18 June 1867. He filled the bore below the plate with cork, india-rubber, gutta-percha or wood, or with shellac, wax or a gummy substance, or closed it with a screw and a plug of cork; the stopper could be tied on with twine or a chain. He wrote that a stopper pierced by a wire with washers riveted on its ends was already old for some perfume and ink bottles, and claimed his bore and plugs combined with the rod, plates and body. **Honest limits.** A drilled cork, stainless wire, steel washers and paraffin wax stand in for his parts. The notebook gives the average stress only; its pulls and sizes are examples. Your twenty draws are the result.

Materials

8

Tools Required

7

CC0 Public Domain

This blueprint is released under CC0. You are free to copy, modify, distribute, and use this work for any purpose, without asking permission.

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