A container assembly includes a container at least partially bounding a chamber and having a wall with an opening extending therethrough. A tubular stem bounds a passageway and outwardly projects from the wall of the container so that the passageway communicates with the opening. A sparger includes
A container assembly includes a container at least partially bounding a chamber and having a wall with an opening extending therethrough. A tubular stem bounds a passageway and outwardly projects from the wall of the container so that the passageway communicates with the opening. A sparger includes a tubular member having a first end and an opposing second end and an interior surface bounding a passage extending therebetween. A gas permeable sparging member is secured to the first end of the tubular member so that gas passing through the tubular member from the second end passes out through the sparging sheet. A second flange encircles and radially outwardly projects from the tubular member, the second flange being secured to the stem so that at least a portion of the tubular member is disposed within the passageway of the tubular stem.
대표청구항▼
1. A sparger comprising: a base comprising: a tubular member having a first end and an opposing second end and an interior surface bounding a passage extending therebetween;a first flange encircling and radially outwardly projecting from the tubular member; anda second flange encircling and radially
1. A sparger comprising: a base comprising: a tubular member having a first end and an opposing second end and an interior surface bounding a passage extending therebetween;a first flange encircling and radially outwardly projecting from the tubular member; anda second flange encircling and radially outwardly projecting from the tubular member, the second flange being spaced apart from the first flange; anda flexible sparging sheet secured to the first flange so that a compartment is formed between the first flange and the sparging sheet, the passage of the tubular member communicating with the compartment, at least a portion of the sparging sheet being gas permeable so that gas passed through the tubular member and into the compartment passes out through the sparging sheet. 2. The sparger as recited in claim 1, wherein the sparging sheet is comprised of a polymeric nonwoven fabric, a solvent cast polymeric film, an open cell foamed polymer sheet, or a perforated polymer sheet. 3. The sparger as recited in claim 1, wherein the base is comprised of a flexible polymeric material having a durometer on Shore A scale with a value of less than 90. 4. The sparger as recited in claim 1, wherein the tubular member comprises a port, a stem, or an elongated tube. 5. The sparger as recited in claim 1, wherein the sparging sheet is welded to the first flange. 6. The sparger as recited in claim 1, further comprising a flexible transition member secured to and extending between the sparging sheet and the first flange, the transition member being comprised of a different material than the sparging sheet. 7. The sparger as recited in claim 1, wherein the first flange is disposed at the first end of the tubular member and the second flange is disposed on the tubular member between the first flange and the second end of the tubular member. 8. The sparger as recited in claim 1, wherein the sparging sheet has a dome shaped configuration when the compartment is inflated with a gas. 9. A container assembly comprising: a container at least partially bounding a chamber and having a floor with an opening extending therethrough;a tubular stem bounding a passageway and outwardly projecting from the floor so that the passageway communicates with the opening; andthe sparger as recited in claim 1, wherein the second flange of the sparger is secured to the tubular stem so that at least a portion of the tubular member of the sparger is received within the passageway of the tubular stem. 10. The container assembly as recited in claim 9, wherein the first flange and the sparging sheet are disposed within the chamber of the container. 11. The container assembly as recited in claim 9, further comprising a lip encircling and radially outwardly projecting from the stem, the second flange of the sparger being disposed against the lip. 12. The container assembly as recited in claim 9, further comprising a clamp removably securing the second flange of the sparger to the stem. 13. A container assembly comprising: a container at least partially bounding a chamber and having a wall with an opening extending therethrough;a tubular stem bounding a passageway and outwardly projecting from the wall of the container so that the passageway communicates with the opening; anda sparger comprising: a tubular member having a first end and an opposing second end and an interior surface bounding a passage extending therebetween;a gas permeable sparging member secured to the first end of the tubular member so that gas passing through the tubular member from the second end passes out through the sparging sheet; anda second flange encircling and radially outwardly projecting from the tubular member, the second flange being secured to the stem so that at least a portion of the tubular member is disposed within the passageway of the tubular stem. 14. The container assembly as recited in claim 13, wherein the sparger further comprises: a first flange encircling and radially outwardly projecting from the tubular member, the first flange being spaced apart from the second flange; andthe gas permeable sparging member comprising a flexible sparging sheet secured to the first flange so that a compartment is formed between the first flange and the sparging sheet, the passage of the tubular member communicating with the compartment, at least a portion of the sparging sheet being gas permeable so that gas passed through the tubular member and into the compartment passes out through the sparging sheet. 15. The container assembly as recited in claim 14, wherein the sparging sheet is comprised of a polymeric nonwoven fabric, a solvent cast polymeric film, an open cell foamed polymer sheet, or a perforated polymer sheet. 16. The container assembly as recited in claim 13, wherein the sparging member is disposed within the chamber of the container. 17. The container assembly as recited in claim 13, further comprising a clamp removably securing the second flange of the sparger to the stem.
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