Shielding sheet for blasting operation
AssigneeToyo Boseki Kabushiki Kaisha
InventorsIchiro Yoshida, Yutaka Aiga
Life of this patent
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Abstract
A shielding sheet for blasting operations which comprises a fabric for shielding a site to be destructed by a blasting operation, said fabric composed of a yarn of polyethylene fiber having a tensile strength of not less than 15 g/d, a tensile modulus of not less than 400 g/d and a total denier of not less than 600, and a weight of said fabric being not less than 130 g/m.sup.2.
Claims14
In a blasting operation having a shielding sheet to shield a site to be destructed by a blasting operation, the improvement which comprises construction of the fabric for said shielding sheet composed of a yarn of polyethylene fiber having a tensile strength of not less than 15 g/d, a tensile modulus of not less than 400 g/d and a total denier of not less than 600, and a weight of said fabric being not less than 130 g/m.sup.2.
Dependencies are inferred from the claim text.