Shielding sheet for blasting operation
US5076168A · kind A · utility
23Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 15, 1990 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Feb 15, 2010 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42D5/05
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.