1. A nozzle for dispensing a controlled pattern of liquid material onto a strand, comprising:
a nozzle body having a liquid supply port and a process air supply port, a liquid discharge passage connected in fluid communication with said liquid supply port, and a plurality of process air discharge passages connected in fluid communication with said process air supply port;
a mounting surface configured for mounting said nozzle body to a valve module; and
a strand guide coupled directly with said nozzle body and having opposed sidewalls positioned adjacent said liquid discharge passage, said strand guide configured to receive and guide movement of the strand.
2. The nozzle of claim 1, wherein said strand guide comprises a notch formed into said nozzle body.
3. The nozzle of claim 2, wherein said opposed sidewalls of said notch converge toward one another in a direction toward said liquid discharge passage.
4. The nozzle of claim 2, wherein said opposed sidewalls of said notch are substantially parallel.
5. The nozzle of claim 2, wherein said nozzle body further includes substantially opposing front and rear surfaces, at least one of said front and rear surfaces forming an acute angle with said mounting surface, said notch formed between said front and rear surfaces.
6. The nozzle of claim 1, wherein said liquid discharge passage is oriented such that a longitudinal axis of said liquid discharge passage forms an acute angle with said mounting surface.
7. The nozzle of claim 6, further comprising a liquid discharge outlet in fluid communication with said liquid discharge passage and disposed on a frustoconical protrusion extending from said nozzle body.
8. A nozzle for dispensing a controlled pattern of liquid adhesive onto a strand moving along a line in a machine direction, comprising:
a nozzle body having a first side configured for mounting to an interface of a valve module, a second side, and a lower edge adopted to be positioned proximate the strand;
a liquid supply port and a process air supply port each opening on said first side;
a liquid discharge passage connected in fluid communication with said liquid supply port and including a liquid discharge outlet on said second side of said nozzle body, said liquid discharge passage extending along an axis extending through said liquid discharge outlet and configured to form an acute angle with the strand when the nozzle is discharging liquid onto the strand in the machine direction; and
a plurality of process air discharge passages connected in fluid communication with said process air supply port, said plurality of process air discharge passages including respective air discharge outlets on said second side of said nozzle body, said air discharge outlets positioned between said liquid discharge outlet and said lower edge of said nozzle body.
9. The nozzle of claim 8, further comprising a strand guide coupled directly to said nozzle body and having opposed sidewalls configured to receive and guide movement of the strand.
10. The nozzle of claim 8, wherein said axis forms an angle of approximately 60 degrees to approximately 80 degrees with said first side.
11. The nozzle of claim 10, wherein the angle between said axis and said first side is approximately 70 degrees.
12. The nozzle of claim 8, wherein said liquid discharge outlet is on a frustoconical protrusion extending from said second side of said nozzle body.
13. The nozzle of claim 8, wherein said plurality of process air discharge passages further comprises two process air discharge passages having two air discharge outlets positioned between said liquid discharge outlet and said lower edge, and further comprising two additional process air discharge passages and corresponding air discharge outlets located above said liquid discharge outlet.
14. A nozzle for dispensing a controlled pattern of liquid material onto a strand moving along a line in a machine direction, the nozzle comprising:
a nozzle body having a first side configured for mounting to a an interface of a valve module, a second side, and a lower edge adapted to be positioned proximate the strand
a liquid supply port and at least one process air supply port disposed on said first side;
a liquid discharge passage in fluid communication with said liquid supply port and opening on said second side, said liquid discharge passage including a liquid discharge outlet and extending along an axis extending through said liquid discharge outlet and configured to form an acute angle with the strand when the nozzle is discharging liquid onto the strand in the machine direction; and
a plurality of air discharge passages in fluid communication with said process air supply port and opening on said second side, and an air outlet communicating with one of said air discharge passages and positioned between said liquid discharge outlet and said lower edge.
15. The nozzle of claim 14, further comprising a notch formed into said nozzle body and configured to receive and guide movement of the strand.
16. The nozzle of claim 15, wherein said nozzle body further comprises a third side and said notch extends substantially between said second and third sides, and wherein at least one of said second and third sides forms an acute angle with said first side.
17. The nozzle of claim 16 wherein said second side forms an angle of approximately 60 degrees to approximately 80 degrees with said first side.
18. The nozzle of claim 16, wherein said third side surface forms an angle of less than approximately 70 degrees with said first side.
19. The nozzle of claim 16, wherein said third side surface forms an angle of approximately 65 degrees with said first side.
20. The nozzle of claim 14, wherein said liquid discharge passage is oriented such that a longitudinal axis of said liquid discharge passage forms an acute angle with said first side.
21. The nozzle of claim 20, wherein the angle between said longitudinal axis and said first side is approximately 60 degrees to approximately 80 degrees.
22. The nozzle of claim 20, wherein the angle between said longitudinal axis and said first side is approximately 70 degrees.
23. The nozzle of claim 20, wherein said liquid discharge outlet is disposed on a frustoconical protrusion extending from said nozzle body.
24. A method of dispensing a liquid to at least one strand from a liquid dispensing nozzle having at least one liquid discharge passage with a liquid discharge outlet and a plurality of air discharge passages having one of the air discharge outlets positioned between the liquid discharge outlet and the strand, the method comprising:
moving the strand relative to the liquid dispensing nozzle along a line extending in a machine direction;
orienting the liquid discharge passage to form an acute angle with the strand;
dispensing the liquid in the form of a filament from the liquid discharge outlet toward the strand in the machine direction;
discharging air from the air discharge outlets to impinge the filament; and
depositing the liquid on the strand.
25. The method of claim 24, wherein the nozzle further comprises a plurality of liquid discharge passages and respective liquid discharge outlets and corresponding pluralities of air discharge passages and respective air discharge outlets associated with each liquid discharge out, and further comprising:
moving multiple strands relative to the liquid dispensing nozzle along respective lines extending in a machine direction;
orienting each liquid discharge passage to form an acute angle with a corresponding one of the strands;
dispensing the liquid in the form of respective filaments from the liquid discharge outlets toward the respective strands in the machine direction;
discharging air from the respective air discharge outlets to impinge the respective filaments; and
depositing the liquid from the respective filaments on the respective strands.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for generating a trigger scan setup file, comprising the steps of:
providing a predetermined group of trigger configurations associated with the test and measurement apparatus stored to a non-transitory computer readable storage medium;
selecting a predetermined plurality of trigger configurations from the group;
processing the predetermined plurality of potential trigger configurations substantially simultaneously to determine one or more of the potential trigger configurations that fail to generate a trigger;
generating a trigger scan setup file including each trigger configuration that failed to generate a trigger; and
storing the generated trigger scan setup file to a non-transitory computer readable storage medium.
2. The method of claim 1, further comprising the steps of:
selecting a second predetermined plurality of trigger configurations from the group;
processing the second predetermined plurality of trigger configurations during operation of the test and measurement apparatus;
identifying additional trigger configurations from the second predetermined plurality of trigger configurations that fail to generate a trigger;
adding these identified additional trigger configurations to the trigger scan setup file; and
continue processing by the test and measurement apparatus in accordance with the updated trigger scan setup file.
3. The method of claim 2, wherein one or more of the second predetermined plurality of trigger configurations are determined in accordance with further statistical information related to a waveform.
4. The method of claim 2, wherein the one or more of the second predetermined plurality of trigger configurations are determined in accordance with an analysis of a waveform.
5. The method of claim 4, wherein the analysis is performed in accordance with one or more of statistical waveform information, a persistence display, and other pictorial information.
6. The method of claim 2, wherein one or more of the second predetermined plurality of trigger configurations are determined without substantial user input.
7. A test and measurement apparatus comprising:
a plurality of trigger elements; and
a processor for providing a predetermined group of trigger configurations associated with the test and measurement apparatus to a non-transitory computer readable storage medium, selecting one or more of the trigger configurations from the predetermined group, loading a first selected trigger configuration to a first trigger element of the test and measurement apparatus, loading a second trigger selected configuration to a second trigger element of the test and measurement apparatus, arming the test and measurement apparatus in accordance with the loaded first selected trigger configuration and the loaded second trigger configuration, and dwelling for a predetermined period of time while receiving an input signal, determining whether the input signal generates a trigger related to one or more of the first or second trigger configurations, generating a trigger scan setup file including each trigger configuration that failed to generate a trigger; and storing the trigger scan setup file to a non-transitory computer readable storage medium of the test and measurement apparatus;
wherein the trigger scan setup file is employed by the test and measurement apparatus to set up a trigger for analysis of a future input signal.
8. The test and measurement apparatus of claim 7, wherein a table is provided including a list of the plurality of trigger configurations that failed to generate a trigger.
9. The test and measurement apparatus of claim 7, wherein the test and measurement apparatus is an oscilloscope.