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Gasket: Cut from an Old Inner Tube and Rubbed with Graphite (Boy Mechanic, 1919)
A gasket is a thin soft layer clamped between two faces to seal a joint. The Boy Mechanic Book 3 (1919) gives two workshop tips for one: rubber cut from an old inner tube makes a satisfactory gasket for water connections, and powdered graphite rubbed on a rubber gasket lets it come away easily when the joint is opened again.
The book gives no method beyond that; marking, cutting and punching the gasket are ours.
Source: The Boy Mechanic Book 3 (1919), pp. 372 and 441. Picture: the two tips.
Beginner
Ten minutes
Instructions
1
1
Read the Boy Mechanic
Read the Boy Mechanic
"Gaskets cut from old inner tubes are satisfactory for water connections."
2
2
Mark out
Mark out
Cut open an old inner tube and lay it flat. Press one of the joint faces onto the rubber, or trace round it, and mark the outline and the bolt or water holes.
Materials for this step:
Inner Tube1 pieceTools needed:
Marking Pencil
Scissors3
3
Cut and punch
Cut and punch
Cut the gasket out with scissors and punch the holes cleanly.
Tools needed:
Scissors
Leather Punch Set4
4
Graphite it
Graphite it
Rub powdered graphite on the gasket so that it can be removed easily when the joint is taken apart.
Materials for this step:
Graphite Powder1 light rub5
5
History and honest limits
History and honest limits
Both lines are reader's tips in Popular Mechanics' Boy Mechanic series, which gathered shop hints sent in by readers; the same book makes the glass window of a camera chamber waterproof with a rubber gasket.
The tips say what to use, not how to cut it; the marking, cutting and punching are ours.
Materials
2- 1 piecePlaceholder
- 1 light rubPlaceholder
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