Apparatus and method for controlled delivery of a gas
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61L-009/00
A08B-007/00
A61K-007/50
B65D-033/16
A61B-017/06
출원번호
US-0660117
(2000-09-12)
발명자
/ 주소
Hamilton, Richard A.
Warner, John J.
출원인 / 주소
Selective Micro Technologies, LLC
대리인 / 주소
Lahive & Cockfield, LLP
인용정보
피인용 횟수 :
18인용 특허 :
74
초록▼
Disclosed are apparatus for delivery of a gas, e.g., carbon dioxide and/or chlorine dioxide, and methods of its use and manufacture. The apparatus includes an envelope, and a sachet within the envelope that contains reactant, which generates a gas in the presence of an initiating agent, e.g., water.
Disclosed are apparatus for delivery of a gas, e.g., carbon dioxide and/or chlorine dioxide, and methods of its use and manufacture. The apparatus includes an envelope, and a sachet within the envelope that contains reactant, which generates a gas in the presence of an initiating agent, e.g., water. The envelope allows release of the gas from the envelope. In another embodiment, the apparatus includes an envelope and a partition that separates two reactants within the envelope. The envelope allows an initiating agent into the envelope and release of the gas generated by the reactants in the presence of the initiating agent.
대표청구항▼
Disclosed are apparatus for delivery of a gas, e.g., carbon dioxide and/or chlorine dioxide, and methods of its use and manufacture. The apparatus includes an envelope, and a sachet within the envelope that contains reactant, which generates a gas in the presence of an initiating agent, e.g., water.
Disclosed are apparatus for delivery of a gas, e.g., carbon dioxide and/or chlorine dioxide, and methods of its use and manufacture. The apparatus includes an envelope, and a sachet within the envelope that contains reactant, which generates a gas in the presence of an initiating agent, e.g., water. The envelope allows release of the gas from the envelope. In another embodiment, the apparatus includes an envelope and a partition that separates two reactants within the envelope. The envelope allows an initiating agent into the envelope and release of the gas generated by the reactants in the presence of the initiating agent. ing solution in the cavity while the mold is closed such that the coating material is distributed on the walls of the cavity by means of evaporation of the solvent; and then supplying a filler material in the cavity while the cavity is under reduced pressure. 2. The process according to claim 1, wherein the coating layer is formed on the wall surface of the cavity by increasing the volume of the coating solution in the cavity. 3. The process according to claim 1, wherein the filler material contains a urethane material that reacts and cures in the cavity. 4. The process according to claim 1, wherein the coating solution contains at least one of methyl ethyl ketone and isopropyl alcohol as the solvent and a urethane resin. 5. The process according to claim 1, wherein the mold is heated to facilitate the formation of said coating layer. 6. The process according to claim 1, wherein the mold has a lower mold die and an upper mold die and wherein the coating solution is poured in a cavity of the lower mold die. 7. A process for molding a steering wheel in a mold having a mold cavity, wherein the cavity is formed such that a grip portion of the steering wheel faces downward, comprising: preparing a coating solution containing a coating, material and at least one solvent, wherein the at least one solvent evaporates under reduced pressure, and filling a cavity of the mold with the coating solution; then closing the mold; then boiling the coating solution in the mold cavity to evaporate the solvent, during which boiling a coating layer is formed on the wall surface of the cavity by distribution of the coating material from the coating solution by means of evaporation of the solvent; and then supplying a predetermined filler material in the cavity. 8. The process according to claim 7, further comprising depressurizing the cavity to facilitate evaporation during said boiling. 9. The process according to claim 8, wherein the depressurizing includes exhausting gas in the cavity through a passage connected to the upper position of the cavity. 10. A process for manufacturing an insert molded product, comprising: preparing a coating solution containing a coating material and at least one solvent, wherein the at least one solvent evaporates under reduced pressure, and filling a cavity of the mold with the coating solution; and setting an insert member in a mold; then closing the mold; then forming a coating layer on rile wall surface of the cavity in the mold by evaporating the at least one solvent from the coating solution in the cavity while the mold is closed such that the coating material is distributed on the walls of the cavity by means of evaporation of the solvent; and then supplying a filler material into the cavity while the cavity is under reduced pressure. 11. The process according to claim 10, wherein forming a coating layer includes boiling the coating solution in the cavity for evaporating the solvent in the cavity, wherein a coating layer is formed on the wall surface of the cavity in the mold from the coating solution during boiling. 12. A method of forming a coating on the wall surface of a cavity in a mold comprising: preparing a coating solution containing a coating material and at least one solvent, wherein the at least one solvent evaporates from the coating solution under reduced pressure; then closing the mold; then filling a cavity of the mold with the coating solution; and then depressurizing the cavity whereby a coating layer is formed on the wall surface of the cavity by distribution of the coating material on the walls of the cavity by means of evaporating the at least one solvent from the coating solution. 13. The method according to claim 12, wherein said depressurizing is carried out until the coating solution boils. 14. A method of forming a coating on the wall surface of a cavity in a mold, comprising; preparing a coating solution containing a coating material and at least one so
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