Spray nozzle

Claim 2

A spray nozzle for spraying a pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth gradations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a body having a central axis, an approach passage and a domed blind end in the passage, said domed blind end of said passage being positioned asymmetrically relative to said central axis, said asymmetrically positioned domed blind end being intersected by a single slash cut through said nozzle body to define an orifice having cusped places of minimum opening at the ends thereof and a maximum opening located nearer to one of said ends than to the other end.

Claim 3

The spray nozzle of claim 1 in which said domed blind end of said nozzle passage has a generally conically shaped section.

Claim 4

The spray nozzle of claim 1 in which said domed blind end of said nozzle passage is generally conically shaped and in which said slasH cut is located in a plane defined by said central axis and an axis of said dome.

Claim 5

The spray nozzle of claim 1 in which said domed blind end of said nozzle passage is generally conically shaped and in which said slash cut is located in a first plane which intersects at an acute angle a second plane defined by said central axis and the apex of said dome.

Claim 6

The spray nozzle of claim 1 in which said approach passage has a frustoconical section coaxial with the central axis of said nozzle.

Claim 7

The spray nozzle of claim 5 in which said approach passage also has a cylindrical section coaxial with said central axis of said nozzle, said cylindrical section being located between said frustoconical section and said domed blind end.

Claim 8

The spray nozzle of claim 5 in which said frustoconical section of said approach passage has a flat surface on one side thereof.

Claim 9

The spray nozzle of claim 1 in which said approach passage has a cylindrical section coaxial with the central axis of said nozzle body, said cylindrical section intersecting and forming a continuation of said asymmetrically positioned domed blind end of said nozzle passage.

Claim 10

The spray nozzle of claim 2 in which said approach passage has a frustoconical section coaxial with the central axis of said nozzle body.

Claim 11

The spray nozzle of claim 9 in which said approach passage also has a cylindrical section coaxial with said central axis of said nozzle body, said cylindrical section being located between said frustoconical section and said domed blind end of said approach passage.

Claim 12

The spray nozzle of claim 9 in which said frustoconical section of said approach passage has a flat surface on one side thereof.

Claim 13

The spray nozzle of claim 2 in which said approach passage has a cylindrical secton coaxial with the central axis of said nozzle body, said cylindrical section intersecting and forming a continuation of said asymmetrically positioned domed blind end of said nozzle passage.

Claim 14

The spray nozzle of claim 3 in which said approach passage has a frustoconical section coaxial with the central axis of said nozzle body.

Claim 15

The spray nozzle of claim 13 in which said approach passage also has a cylindrical section coaxial with said central axis of said nozzle body, said cylindrical section being located between said frustoconical section and said domed blind end of said approach passage.

Claim 16

The spray nozzle of claim 13 in which said frustoconical section of this approach passage has a flat surface on one side thereof.

Claim 17

The spray nozzle of claim 3 in which said approach passage has a cylindrical section coaxial with the central axis of said nozzle body, said cylindrical section intersecting and forming a continuation of said asymmetrically positioned domed blind end of said nozzle passage.

Claim 18

The spray nozzle of claim 4 in which said approach passage has a frustoconical section coaxial with the central axis of said nozzle body.

Claim 19

The spray nozzle of claim 17 in which said approach passage also has a cylindrical section coaxial with said central axis of said nozzle body, said cylindrical section being located between said frustoconical section and said domed blind end of said approach passage.

Claim 20

The spray nozzle of claim 17 in which said frustoconical section of said approach passage has a flat surface on one side thereof.

Claim 21

The spray nozzle of claim 4 in which said approach passage has a cylindrical section coaxial with the central axis of said nozzle body, said cylindrical section intersecting and forming a continuation of said asymmetrically positioned domed blind end of said nozzle passage.

Claim 22

A spray nozzle for spraying a pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth gradations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a body having a central Axis, an approach passage and a generally conically shaped, domed blind end at the end of said approach passage, said conically shaped domed blind end being positioned asymmetrically relative to said central axis, said asymmetrically positioned domed blind end being intersected by at least one slashed cut through said nozzle body to define an orifice at the intersection of said domed blind end and said cut, said orifice having cusped places of minimum opening at the ends thereof, and a maximum opening spaced closer to one of said ends than to the other.

Claim 23

A spray nozzle for spraying a pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth gradations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a body having a central Axis, an approach passage and a generally conically shaped, domed blind end at the end of said approach passage, said conically shaped domed blind end being positioned asymmetrically relative to said central axis, said asymmetrically positioned domed blind end being intersected by at least one slashed cut through said nozzle body to define an orifice at the intersection of said domed blind end and said cut, said orifice having cusped places of minimum opening at the ends thereof, and a maximum opening spaced closer to one of said ends than to the other.

Claim 24

The spray nozzle of claim 21 in which said conically shaped blind end of said passage has an axis which intersects said central axis of said body at an actue angle.

Claim 25

A spray nozzle of claim 21 in which said cut is located in a plane defined by said central axis and the apex of said concially shaped domed blind end of said passage.

Claim 26

The spray nozzle of claim 21 in which said slash cut is located in a first plane which intersects an acute angle a second plane defined by said central axis and the apex of said concially shaped domed blind end of said passage.

Claim 27

The spray nozzle of claim 21 in which said approach passage has a frustoconical section coaxial with the central axis of said nozzle body.

Claim 28

The spray nozzle of claim 25 in which said approach passage also has a cylindrical section coaxial with said central axis of said nozzle body, said cylindrical section being located between said frustoconical section and said domed blind end of said approach passage.

Claim 29

The spray nozzle of claim 25 in which said frustoconical section of said approach passage has a flat surface on one side thereof.

Claim 30

The spray nozzle of claim 21 in which said approach passage has a cylindrical section coaxial with the central axis of said nozzle body, said cylindrical section intersecting and forming a continuation of said asymmetrically positioned domed blind end of said nozzle passage.

Claim 31

The spray nozzle of claim 28 in which said conically shaped blind end of said passage has an axis which intersects said central axis of said body at an acute angle.

Claim 32

The spray nozzle of claim 22 in which said slash cut is located in a first plane which intersects at an acute angle a second plane defined by said central axis and the apex of said domed blind end of said passage.

Claim 33

The spray nozzle of claim 22 in which said approach passage has a frustoconical section coaxial with the central axis of said nozzle body.

Claim 34

The spray nozzle of claim 31 in which said approach passage also has a cylindrical section coaxial with said central axis of said nozzle body, said cylindrical section being located between said frustoconical section and said domed blind end.

Claim 35

The spray nozzle of claim 31 in which said frustoconical section of said approach passage has a flat surface on one side thereof.

Claim 36

The spray nozzle of claim 22 in which said approach passage has a cylindrical section coaxial with the central axis of said nozzle body, said cylindrical section intersecting and forming a continuation of said asymmetrically positioned domed blind end of said nozzle passage.

Claim 37

A spray nozzle for spraying the pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth gradiations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a hollow body having a central axis and domed blind end, said domed blind end being intersected by at least one slashed cut through said nozzle to define an orifice at the intersection of said domed blind end and said cut, said nozzle having an approach passage leading into said domed blind end, which approach passage has a frustoconical section coaxial with the axis of said nozzle, said frustoconical section having a flat surface on one side thereof.

Claim 38

A spray nozzle for spraying the pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth gradiations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a hollow body having a central axis and domed blind end, said domed blind end being intersected by at least one slashed cut through said nozzle to define an orifice at the intersection of said domed blind end and said cut, said nozzle having an approach passage leading into said domed blind end, which approach passage has a frustoconical section coaxial with the axis of said nozzle, said frustoconical section having a flat surface on one side thereof.

Claim 39

A spray nozzle for Spraying a pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth graduations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a hollow body having a central axis and a domed blind end, said domed blind end being intersected by at least one slashed cut through said nozzle to define an orifice at the intersection of said domed blind end and said cut, said nozzle having an approach passage leading into said domed blind end, said approach passage having a frustoconical section coaxial with the central axis of said nozzle, said approach passage converging toward said domed blind end, said approach passage also having a cylindrical section coaxial with said central axis of said nozzle, said cylindrical section being located between said frustoconical section and said domed blind end, said frustoconical section of said approach passage having a flat surface on one side thereof.

Claim 40

A spray nozzle for Spraying a pattern with an uneven distribution of material throughout the pattern, said pattern having a site of maximum flow located a distance spaced from the middle of the pattern and having generally smooth graduations of flow from said site of maximum flow to the ends of the pattern, said nozzle comprising a hollow body having a central axis and a domed blind end, said domed blind end being intersected by at least one slashed cut through said nozzle to define an orifice at the intersection of said domed blind end and said cut, said nozzle having an approach passage leading into said domed blind end, said approach passage having a frustoconical section coaxial with the central axis of said nozzle, said approach passage converging toward said domed blind end, said approach passage also having a cylindrical section coaxial with said central axis of said nozzle, said cylindrical section being located between said frustoconical section and said domed blind end, said frustoconical section of said approach passage having a flat surface on one side thereof.