Injection Molding? How Does It Work?

All of this material started out generally as plastic pellets. The pellets are feed into one of the massive molding machines, these machines often weigh around 25 tons. The machine heats the plastic until it is liquid. This liquid is then forced through injectors into molds.

Instead of using a hot water circulating pump which has very little power, we decided to build our own pump from scratch, and design it specifically for the application. We used modern China Custom Mold Maker technology and used a far more powerful motor.

A dull broadhead has no place in a quiver. Supreme sharpness should be demanded from our broadheads. A sharp blade cuts vascular tissue in such a manner that prevents clotting. Any man who has once nicked his face while shaving with a fresh razor blade can attest that stopping the bleeding is tough. That is exactly what we want out of our broadheads – bleeding that does not stop. This profuse bleeding ensures quick, clean kills and ample blood trails.

The second piece of less than welcome news was from the printer manufactures who said they might be interested as long as there were no sharp blades involved that could injure someone. My brother cut his thumb badly enough to need 4 stitches while using it.

I was highly skeptical of this idea at first because I had spun my wheels for so long on every new program that the managers learned at the latest seminar. Most of these programs just took our time and yielded little or nothing in the way of results. When I heard that it was Japanese, I got interested. At the time, they were decimating our auto industry and I figured they must know something we didn’t.

Using their own composition formula, Las Vegas casino poker chips are injected into a mold that has a design which has been copywrited, in a manufacturing set up that is as secure as the mint. The formula uses a synthetic polymer acrylic material, with a center that is laminated. While weighing in at close to ten grams, the size is the same at all the casinos, measuring about one and a half inches in diameter, or thirty-nine millimeters.

Later Dennis and I were driving to a PUC meeting in San Francisco from our office in Stockton, California. It was on that drive that I had my epiphany…there was a way to get people their hot water faster! Why not pump it to them at high speed and shut the pump off when the hot water arrived at the fixture? That was the moment of conception for the Metlund D’MAND system!

Instead, contact lens can be made through an injection molding process. It involves a mold which is made of two halves. Those halves are put together. Then, the polymer of the lens is injected into that mold under pressure. Then, the mold is removed and cooled. For the last step, the lenses are polished, checked, sterilized and then packaged.

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