ELONGATED STRUCTURAL MEMBER AND METHOD AND APPARATUS FOR MAKING SAME
An elongated, substantially rigid member suitable for use as a marine piling is formed by feeding a substantially solid plastic core into a die and continuously extruding a molten plastic into the die so that the molten plastic surrounds and bonds to the plastic core and to reinforcing bars fed into...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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