VENTILATING OPENING FITTING MADE OF CERAMIC
The ventilation opening tool for attaching to the ventilating hole of the wall which connects the outdoors and indoor.
The outstanding effect of preventing storm sewage, such as a mite, is made beside attaining sufficient aeration.
Construction material
PROBLEM TO BE SOLVED: To maintain the sectional shape of a hole, through which a space in a ventilating opening fitting body is caused to communicate with the outside, maintained without getting out of a shape due to heat and besides small animals and rain water are prevented from entering the indoor as sufficient ventilation between the indoor and the outdoor is achieved.SOLUTION: Tubular outer and inner cylinders 2 and 6 are disposed in a ventilation hole 30 to interconnect the inside and the outside of a house wall. The opening parts on the outdoor side of the outer and inner cylinders 2 and 6 are covered by a plate member 21. A space in the inner cylinder 6 is caused to communicate with the outdoor through a long hole 22 formed in the plate member 21. The long hole 22 is provided with a hole shape maintaining part 23 to prevent deformation of the sectional shape of the long hole 22 due to a high heat in a process of burning.
28-Sep-2000
Japanese Patent No. 03520038
License / Sales
Japan
