Title:
SAFETY DEVICE FOR CLEAN ROOM FACILITY
Document Type and Number:
Japanese Patent JP3431724
Kind Code:
B2
Abstract:
PURPOSE: To maintain proper safety for maintenance personnel and prevent the occurrence of damages to a floor finished condition, piping, wiring or the like by properly receiving chemicals leaking and dropping to underfloor return space at an upper position in the space and automatically discharging the chemicals, regardless of the amount thereof.
CONSTITUTION: Regarding a laminar flow type clean room facility having a ventilation work floor 6 and underfloor return space, a plurality of gallery type gutters capable of being ventilated and used to receive chemicals leaking and dropping through the floor 6, are laid at an upper level in the return space, and discharge gutters 10 are laid for collecting and discharging the chemicals from the gutters 9 at positions downstream thereof. Furthermore, a piping hanger substrate 11 common to a gutter bracket is laid under the gutters 9 and 10, and made to support the gutters 9 and 10 as well as various kinds of piping 12 and ducts 13.
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Inventors:
Tetsuro Uba
Makoto Tsuruta
Satoru Moriyama
Makoto Tsuruta
Satoru Moriyama
Application Number:
JP13266295A
Publication Date:
July 28, 2003
Filing Date:
May 01, 1995
Export Citation:
Assignee:
TAKENAKA CORPORATION
International Classes:
E04H5/02; (IPC1-7): E04H5/02
Domestic Patent References:
| JP63306343A |
Attorney, Agent or Firm:
Yoshio Imaoka