초록 ▼

A clean box is composed of a box body having an opening in one surface thereof and a lid member for closing the opening. An annular groove is formed so as to surround the opening on one of the box body or the lid member for defining a suction space sealed between the lid member and the box body unde

A clean box is composed of a box body having an opening in one surface thereof and a lid member for closing the opening. An annular groove is formed so as to surround the opening on one of the box body or the lid member for defining a suction space sealed between the lid member and the box body under the condition that the lid member is mounted on the box body. Furthermore, intake/exhaust ports are provided for vacuum exhaust/release from the outside.

대표청구항 ▼

A clean box is composed of a box body having an opening in one surface thereof and a lid member for closing the opening. An annular groove is formed so as to surround the opening on one of the box body or the lid member for defining a suction space sealed between the lid member and the box body unde

A clean box is composed of a box body having an opening in one surface thereof and a lid member for closing the opening. An annular groove is formed so as to surround the opening on one of the box body or the lid member for defining a suction space sealed between the lid member and the box body under the condition that the lid member is mounted on the box body. Furthermore, intake/exhaust ports are provided for vacuum exhaust/release from the outside. 09088, 19730100, Pitzer, 085/074; US-4509873, 19850400, Ryan; US-4597681, 19860700, Hodges; US-4661005, 19870400, Lahr; US-5067834, 19911100, Szmanda, 400/489; US-5073050, 19911200, Andrews; US-5092551, 19920300, Meier, 248/276.1; US-5122786, 19920600, Rader; US-5160165, 19921100, Hoblingre, 280/775; US-5228791, 19930700, Fort; US-5267127, 19931100, Pollitt; US-5318367, 19940600, Braun et al.; US-5342005, 19940800, Szmanda et al.; US-5351066, 19940900, Rucker et al.; US-5361082, 19941100, Chung; US-5388921, 19950200, Chung; US-5393150, 19950200, Fort; US-5410333, 19950400, Conway; US-5424728, 19950600, Goldstein; US-5426449, 19950600, Danziger; US-D362434, 19950900, Abell, Jr. et al.; US-5454652, 19951000, Huellemeier et al.; US-5456542, 19951000, Welch et al.; US-5457452, 19951000, Skovronski; US-5466078, 19951100, Szmanda et al.; US-5502460, 19960300, Bowen; US-5519570, 19960500, Chung; US-5527116, 19960600, Huellemeier et al.; US-5543790, 19960800, Goldstein, 341/022; US-5574481, 19961100, Lee; US-5596480, 19970100, Manser et al.; US-5612691, 19970300, Murmann et al.; US-5613786, 19970300, Howell et al.; US-5644338, 19970700, Bowen; US-5646817, 19970700, Manser et al.; US-5651622, 19970700, Kim; US-5662422, 19970900, Fort, 400/489; US-5717431, 19980200, Chia-Ying et al.; US-5734548, 19980300, Park; US-5788386, 19980800, Hayashi, 400/489; US-5813258, 19980900, Cova, 070/225; US-5838263, 19981100, Chang; US-5841635, 19981100, Sadler et al.; US-D408804, 19990400, Kurokawa et al.; US-6234961, 20010500, Gray, 600/234