Word: plastic
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Dates: during 1960-1969
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...doubleS loop of plastic, also equipped with a tail, developed by Dr. Jack Lippes of the University of Buffalo...
...double triangle, devised by Dr. Charles H. Birnberg of the Jewish Hospital of Brooklyn, which like the rings ordinarily has no tail, but is made of a plastic that shows on X rays...
...polyethylene spiral, designed by Dr. Lazar C. Margulies of Manhattan's Mount Sinai Hospital, can be inserted through a straight tube, and carries a threadlike "tail" punctuated with plastic beads...
...biggest immediate difficulty with IUCDS is that one woman out of ten expels hers-usually within two months. And she may not notice that she has lost it until she becomes pregnant. It is to guard against unsuspected loss of the devices that many of them carry a plastic tail. A woman can then easily examine herself to make sure that the device is in place. Only a few women have intermittent bleeding difficulties that prompt their doctors to remove the devices...
...development of other products has been stepped up by the invention of a double-nozzle spray gun that shoots fiber and liquid resin simultaneously, thus creating an easy and inexpensive method of spraying fiber glass onto molds. One new product, in fact, almost wrecked the industry. Boats made of plastic reinforced with fiber glass became a quick success, and before long, dozens of boat companies were building them. The supply of fiber glass got so scarce that it had to be allocated while the firms rushed new production facilities. Unfortunately, many of the boat builders were inexperienced and undercapitalized; when...