Apparatus for spraying liquids, and adapters and liquid reservoirs suitable for use therewith
DC
First Claim
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1. A gravity-fed spray gun comprisinga body comprising a conventional screw thread attachment point for a gravity-fed spray-gun pot;
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the first connector connecting the compatible liquid reservoir in a manner different than the conventional screw threading of the second connector to adapt the connector of the liquid reservoir to the conventional attachment point of the spray gun;
the second connector being attached to the attachment point on the body such that the adapter remains attached to the body upon the removal of the compatible liquid reservoir from the first connector.
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Abstract
A spray gun is disclosed, including components and kits of components thereof, comprising a body comprising an attachment point for a compatible liquid reservoir and an adapter. The adapter comprises, at a first end, a non-threaded connection for attachment to a connector of a compatible liquid reservoir, the adapter being attached at a second end to the attachment point on the body such that the adapter remains attached to the body upon removal of a compatible liquid reservoir from the non-threaded connection.
164 Citations
33 Claims
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1. A gravity-fed spray gun comprising
a body comprising a conventional screw thread attachment point for a gravity-fed spray-gun pot; - and
an adapter comprising at a first end, a first connector for attachment to a connector of a compatible liquid reservoir, and at a second end, a second connector shaped to fit the attachment point on the body; the first connector connecting the compatible liquid reservoir in a manner different than the conventional screw threading of the second connector to adapt the connector of the liquid reservoir to the conventional attachment point of the spray gun; the second connector being attached to the attachment point on the body such that the adapter remains attached to the body upon the removal of the compatible liquid reservoir from the first connector. - View Dependent Claims (2, 3, 23, 24, 25, 26, 27, 28, 29, 30, 33)
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4. A method of using a spray gun comprising
providing a gravity-fed spray gun having a body comprising a conventional screw thread attachment point for a gravity-fed spray gun paint pot; -
providing an adapter comprising, at a first end a first connector for attachment to a connector of a compatible liquid reservoir; and at a second end, a second connector shaped to fit the attachment point on the body; the first connector connecting the compatible liquid reservoir in a manner different than the conventional screw threading of the second connector to adapt the connector of the liquid reservoir to the conventional attachment point of the spray gun; attaching the second connector to the attachment point on the body such that the adapter remains attached to the body upon the removal of the compatible liquid reservoir from the first connector. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 31)
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12. A kit for use with a gravity-fed spray gun with a conventional screw thread paint pot attachment point comprising
a liquid reservoir comprising a connector tube having a fluid outlet; an adapter comprising, at a first end a first connector for attachment to the fluid outlet, and at a second end, a second connector shaped to fit the attachment point of the gravity-fed spray gun the first connector connecting the liquid reservoir in a manner different than the conventional screw threading of the second connector to adapt the connector of the connector tube of the liquid reservoir to the conventional attachment point of the spray-gun, such that the adapter will remain attached to the body upon removal of the liquid reservoir from the first connector. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 32)
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22. A kit for use with a gravity-fed spray gun comprising
a liquid reservoir comprising a collapsible, self-supporting liner having an open end and a base; -
a container into which the liner can be removably inserted, wherein the shape of the base of the liner renders the liner incapable of standing, unsupported outside the container; and a lid for closing the open end and comprising a fluid outlet and a filter, wherein the liner is removable from the container together with the lid; and an adapter comprising at a first end, a first connector for attachment to the fluid outlet, and at a second end, a second connector shaped to fit a conventional screw thread attachment point for a gravity-fed spray gun paint pot on a body of a compatible gravity-fed spray gun such that the adapter will remain attached to the body upon removal of the liquid reservoir from the first connector; the first connector connecting the fluid outlet of the liquid reservoir in a manner different than the conventional screw threading of the second connector to adapt the connector of the liquid reservoir to the conventional attachment point of the spray-gun.
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Specification
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Litigation Data
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Current Assignee3M Innovative Properties Company (3M Company)
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Original Assignee3M Innovative Properties Company (3M Company)
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InventorsJoseph, Stephen C. P., Douglas, Malcolm F., Butler, Alan F., Bastow, David R., Salhus, Jerry E., Hartfel, Margaret A.
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Primary Examiner(s)Tran, Len
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Assistant Examiner(s)JONAITIS, JUSTIN M
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Application NumberUS13/529,848Publication NumberTime in Patent Office306 DaysField of Search239/345, 239/350, 239/318, 239/378, 239/337, 239/347, 239/525, 239/526, 222/166US Class Current239/345CPC Class CodesB01D 35/02 Filters adapted for locatio...B01D 35/28 Strainers not provided for ...B05B 7/2408 characterised by the contai...B05B 7/247 a liquid being fed by gravi...B05B 7/2478 Gun with a container which,...B05B 7/2481 with a flexible container f...B29C 2791/006 Using vacuumB29C 2791/007 Using fluid under pressureB29C 51/08 Deep drawing or matched-mou...B29C 51/10 Forming by pressure differe...B29K 2023/0633 LDPE, i.e. low density poly...Y10S 239/14 Paint sprayers
