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A mount for a screen assembly, a screen assembly with such a mount, and a vibratory separator (e.g., a shale shaker) with such a screen assembly; the mount in certain aspects including a body with an inwardly projecting handle apparatus accessible when the screen assembly with such a mount is locate

A mount for a screen assembly, a screen assembly with such a mount, and a vibratory separator (e.g., a shale shaker) with such a screen assembly; the mount in certain aspects including a body with an inwardly projecting handle apparatus accessible when the screen assembly with such a mount is located in operation position on a mount structure of a vibratory separator.

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What is claimed is: 1. A mount for a screen assembly for a vibratory separator, the mount for holding screening material of the screen assembly, the mount comprising a body with a bottom part and a side part, the side part extending up from the bottom part, the side part having an upper portion, th

What is claimed is: 1. A mount for a screen assembly for a vibratory separator, the mount for holding screening material of the screen assembly, the mount comprising a body with a bottom part and a side part, the side part extending up from the bottom part, the side part having an upper portion, the bottom part having a series of holes for receiving projections of a screen mounting structure of a vibratory separator, the body and the side part made of rigid material, a seal member secured to the side part, the seal member having an elongated portion adjacent the side part and a seal upper portion, the seal member located for trapping between the body part and a side wall of a basket of a vibratory separator, and handle apparatus connected to and projecting from the seal member and located for manual access when the screen assembly is in an operational position on a vibratory separator. 2. The mount of claim 1 wherein the handle apparatus comprises at least one handle. 3. The mount of claim 2 wherein the at least one handle has two handle sides and a crosspart, each of the two handle sides having a first end connected to the seal member and a second end connected to the crosspart so that an opening is defined by the two handle sides and the crosspart. 4. The mount of claim 1 wherein the handle apparatus is rigid. 5. The mount of claim 2 wherein the at least one handle is "T" shaped and has a first part and a crosspart, the first part with a first end and a second end, the first end connected to the seal member, and the crosspart connected to the second end of the first part. 6. The mount of claim 1 wherein the handle apparatus is formed integrally with the seal member. 7. The mount of claim 6 wherein the handle apparatus is made of plastic. 8. The mount of claim 1 wherein the seal upper portion is circular in cross-section. 9. The mount of claim 1 wherein the seal upper portion is hollow. 10. The mount of claim 1 further comprising screening material connected to the mount body, the screening material comprising a plurality of layers of flexible screening material connected together. 11. The mount of claim 10 wherein the screening material is foldable into a roll. 12. A vibratory separator comprising container apparatus; screen assembly apparatus removably secured in the container apparatus; vibratory apparatus connected to the container apparatus for vibrating the container apparatus and the screen assembly apparatus; mounting structure associated with the container apparatus, the mounting structure including a plurality of upward projections for holding a screen assembly by receipt within corresponding holes in the bottoms of side mounts of a screen assembly; the screen assembly apparatus comprising screening material with opposed spaced-apart sides including a first screen side and a second screen side, two side mounts, one each of the two side mounts on each of the opposed spaced-apart screen sides; each side mount comprising a body with a bottom part and a side part, the side part extending up from the bottom part, the side part having an upper portion, the bottom part having a series of holes for receiving the upward projections of the mounting structure, the body and the side part made of rigid material, a seal member secured to the side part, the seal member having an elongated portion adjacent the side part and a seal upper portion, the seal member located for trapping between the body part and a side wall of a basket of a vibratory separator, and handle apparatus connected to and projecting from the seal member and located for manual access when the screen assembly is in an operational position on a vibratory separator. 13. The vibratory separator of claim 12 wherein the handle apparatus is rigid. 14. The mount of claim 12 wherein the vibratory separator is a shale shaker. 15. The mount of claim 12 wherein the screening material is a plurality of layers of flexible screening material connected together and foldable into a roll. 16. A screen assembly for a vibratory separator, the screen assembly comprising screening material with opposed spaced-apart sides including a first side and a second side, two side mounts, one each of the two side mounts on each of the opposed spaced-apart sides, each side mount comprising a body with a bottom part and a side part, the side part having an upper portion, the side part extending up from the bottom part, the bottom part having a series of holes for receiving the upward projections of the mounting structure, the body and the side part made of rigid material, a seal member secured to the side part, the seal member having an elongated portion adjacent the side part and a seal upper portion, the seal member located for trapping between the body part and a side wall of a basket of a vibratory separator, and handle apparatus connected to and projecting from the seal member and located for manual access when the screen assembly is in an operational position on a vibratory separator. 17. The screen assembly of claim 16 wherein the handle apparatus comprises at least one handle formed of the seal member. 18. The screen assembly of claim 16 wherein the handle apparatus is rigid. 19. The screen assembly of claim 16 wherein the at least one handle has two handle sides and a crosspart, each of the two handle sides having a first end connected to the side part of the body and a second end connected to the crosspart so that an opening is defined by the two handle sides and the crosspart. 20. The mount of claim 16 wherein the screening material is a plurality of layers of flexible screening material connected together and foldable into a roll.