Patent ID: 8435450

Claim:
A chemical cartridge for a chemical diffusing apparatus having an air blower, the chemical cartridge comprising: a chemical impregnated body comprising a pleated flat sheet material which has a plurality of pleats and which is impregnated with a volatile chemical that volatilizes in air flow, the pleats being formed by alternating mountain folds and valley folds of the sheet material at certain widths, wherein the sheet material is air permeable and liquid absorptive, and wherein the pleated sheet material has a joined peripheral area to prevent the pleats from losing their shape; a fixture for holding the peripheral area of the chemical impregnated body, the fixture comprising a support member and a hold member, the support member comprising a raised ring and a support ring projecting inwards from a lower portion of the raised ring, and the hold member comprising a ring that is fittable with the raised ring of the support member, wherein the hold member is fitted into the raised ring of the support member to directly hold the peripheral area of the chemical impregnated body between the support ring of the support member and the hold member; and an air passage section for diffusing the chemical, the air passage section comprising inner spaces of the support member and the hold member.