Underground irrigation devices and methods of making and using t

Details Underground irrigation devices and methods of making and using t Underground irrigation devices and methods of making and using t

1975-12-03

1977-03-01

Hoag, Willard E.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

291635F, 291635R, 72127, 72179, 113116A, 113116UT, 113116DD, 138103, 138177, 156196, 156218, 156252, 156304, 264155, 264295, 264296, 264339, B29D 2310

Patent

active

040102980

ABSTRACT:
A perforated pipe method of making a perforated pipe suitable for subsurface irrigation laterals by forming indentations and perforations in indentations of sheet material then rolling the sheet material into a tube or pipe.

REFERENCES:
patent: 3183571 (1965-05-01), Schmunk et al.
patent: 3864446 (1975-02-01), Maroschak

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