A Tisket, A Gasket, Rubber Seal, A Basket (Or Anything Else That Needs A Custom Seal)

Next to plastic, rubber is perhaps the best material ever discovered or invented. Early rubber products came from the rubbery sap of the gum tree. Now, all kinds of rubber are chemically formed, lending to rubber the unique property of fitting and sealing just about anything. Find out some examples to learn how custom rubber seals are used in various industries.


Say what? A sphygmomanometer is a blood pressure cuff, and yes, they use rubber gaskets. You are probably wondering how and where a rubber gasket fits into these medical devices. Well, if you take the dial read-out apart, you will find a round, rubber gasket inside. The gasket is designed to prevent the leak of air out of the face of the dial, which would greatly affect air pressure in the cuff and produce false results in the readings.

Seals for Garage Doors

If you do not have a seal at both the top and bottom of your garage door, you are going to have a lot of pests in your garage. All of the flying, scurrying, and crawling kinds of pests sneak under the closed door, while bats most commonly wiggle and wedge their way over the top of the garage door. Custom seals for these doors prevent the bats from entering your garage while allowing the door to open and close freely. The gasket strip at the bottom of the door prevents all the rest of these pests from getting in, too.

Head Gaskets in Engines

Even your vehicle makes use of several kinds of rubber gaskets and rubber products. Take head gaskets, for example. A head gasket prevents the loss of engine fluids, which lubricate the engine and prevent it from imploding on itself. It forms a tight seal to keep adequate compression on the engine's cylinders too. If a vehicle needs to prevent loss of fluids from anywhere or needs to form an airtight seal, you can bet that the seal or gasket is rubber.

Air Inflation Portals on Sports Balls

Bet you never thought of this one before. The air inflation portals on sports balls like basketballs, footballs, and soccer balls are all rubber. They are designed to hold air in while still expanding just enough for a pump needle to get through. The gasket aspect is internal, where you cannot see it, but if you could slice a ball open to see the portal from inside the ball, you might be amazed.