Static dissipative mat

Details Static dissipative mat Static dissipative mat

1982-11-05

1984-11-20

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

Specific conduction means or dissipator

15215, B32B 518

Patent

active

044842503

ABSTRACT:
The invention contemplates a washable dust-collecting multi-layer electrically conductive web or mat for safely and quickly discharging personnel-accumulated static electricity. An upper continuous polymeric layer of relatively low conductivity, in the order of 10.sup.8 ohms per square and containing a tackifying resin thoroughly dispersed therein, is bonded to an underlying continuous polymeric layer of much greater conductivity, in the order of 10.sup.2 ohms per square, and provision is made for electrically grounding the underlying layer, illustratively by casting to the intermediate layer a continuous bottom layer of expanded polymeric material of relatively low conductivity.

REFERENCES:
patent: 3717897 (1973-02-01), Amos et al.
patent: 4363071 (1982-12-01), Rzepecki et al.

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