Author: claimsbot

1. An injection molding apparatus comprising:
a plurality of mold cavities formed between at least one pair of mold plates, each cavity having a gate for communicating with an interior of said cavity;
at least one injection molding nozzle body having a back end, a front end, at least one melt channel through said body and a heating member for heating said body, said nozzle body capable of receiving heated pressurized melt from a source and capable of feeding said heated pressurized melt from said back end through said melt channel to said front end; and
a nozzle end threadably coupled to said front end of said nozzle body, said nozzle end having a bore therethrough extending from said melt channel at said body front end and communicating with at least two tips, each of said at least two tips having a tip melt channel extending from said nozzle end and communicating with at least one of said mold cavities, said at least two tips being threadably coupled to said nozzle end.
2. The apparatus of claim 1 wherein said nozzle end is made substantially of a material having a higher thermal conductivity than said nozzle body.
3. The apparatus of claim 1 wherein a rear portion of said nozzle end extends inside said nozzle body.
4. The apparatus of claim 3 wherein said rear portion of said nozzle end extends inside a heated portion of said nozzle body.
5. The apparatus of claim 3 wherein said rear portion of said nozzle end is made of a material having a higher thermal conductivity than said nozzle body.
6. The apparatus of claim 1 further comprising sealing means for inhibiting leakage of pressurized melt between said nozzle end and said mold.
7. In an injection molding apparatus having at least one heated nozzle extending forwardly into a well in a mold, said well having a wall with a plurality of gates spaced therein, each gate extending to a cavity in said mold, said nozzle having a rear end, a front end and a melt channel, said melt channel extending from an inlet at said rear end of said nozzle to an outlet at said front end of said nozzle, the improvement comprising:
a nozzle end having a threaded rear portion that is coupled to said front end of said nozzle and a plurality of tips projecting from said nozzle end opposite said rear portion, said nozzle end having a bore extending therethrough, said bore extending between said melt channel outlet at said front end of said nozzle and said tips to communicate with said plurality of gates, said tips being removably attached to said nozzle via said threaded rear portion end.
8. The apparatus of claim 7 wherein said nozzle end is made substantially of a material having a higher thermal conductivity than said nozzle.
9. The apparatus of claim 7 wherein a rear portion of said nozzle end extends inside said nozzle.
10. The apparatus of claim 9 wherein said rear portion of said nozzle end extends inside a heated portion of said nozzle.
11. The apparatus of claim 9 wherein said rear portion of said nozzle end has a higher thermally conductivity than said nozzle.
12. An injection molding apparatus comprising:
at least one heated nozzle extending forwardly into a well in a mold, said well having a wall with a plurality of gates spaced therein, each gate extending to a cavity in said mold, said nozzle having a rear end, a front end and a melt channel, said melt channel extending from an inlet at said rear end of said nozzle to an outlet at said front end of said nozzle;
a nozzle end having a threaded rear portion that is coupled to said front end of said nozzle and an opposite end, said nozzle end having a bore extending therethrough, said bore extending between said melt channel at said front end of said nozzle and a plurality of tips located adjacent said opposite end of said nozzle end to communicate with said plurality of gates, said tips being removably attached to said nozzle via said threaded rear portion end.
13. An injection molding apparatus as claimed in claim 12, wherein each of said plurality of tips is removable from removably attached to said nozzle end by a separate sealing means.
14. An injection molding apparatus as claimed in claim 13 wherein each of said plurality of tips is independently removable from said nozzle end.
15. An injection molding apparatus as claimed in claim 14 13, wherein each of said plurality of tips includes a melt channel sealing surface that sealing engages the wall of the well.
16. An injection molding apparatus comprising:
at least two mold cavities, wherein each mold cavity has a mold gate; and
a nozzle including a nozzle body, a nozzle end and at least two nozzle tips,
said nozzle body having a melt channel extending therethrough,
said nozzle end being removably coupled to said nozzle body and having a melt bore extending between said nozzle body melt channel and respective melt channels of said at least two nozzle tips,
said at least two nozzle tips being removably coupled to said nozzle end, wherein each of said nozzle tips includes a sealing means and is in fluid communication with one of said mold cavities via said mold gate to deliver melt thereto.
17. The injection molding apparatus of claim 16, wherein said sealing means is a separate nozzle seal sleeve.
18. The injection molding apparatus of claim 17, wherein each of said nozzle seal sleeves is threadably coupled to said nozzle end to secure said tips thereto.
19. The injection molding apparatus of claim 18, wherein said nozzle seal sleeves secure said tips within a side surface of said forward end of said nozzle end.
20. The injection molding apparatus of claim 18, wherein said nozzle seal sleeves secure said tips within a front surface of said forward end of said nozzle end.
21. The injection molding apparatus of claim 16, wherein said sealing means is a flat face of said nozzle tip for sealingly engaging against a wall surrounding said mold gate.
22. The injection molding apparatus of claim 16, wherein each of said nozzle tips is threadably coupled within a side surface of said forward end of said nozzle end.
23. The injection molding apparatus of claim 16, wherein each of said nozzle tips is threadably coupled within a front surface of said forward end of said nozzle end.
24. The injection molding apparatus of claim 16, wherein said heated nozzle further comprises:
a first heating element attached to said nozzle body; and
a second heating element attached to said nozzle end.
25. The injection molding apparatus of claim 24, wherein said first and second heating elements are separately controllable.
26. The injection molding apparatus of claim 24, further comprising:
a first thermocouple positioned within said nozzle body for monitoring said first heating element; and
a second thermocouple positioned within said nozzle end for monitoring said second heating element.
27. The injection molding apparatus of claim 24, further comprising:
at least one thermocouple for monitoring said first and second heating element.
28. An injection molding apparatus comprising:
at least two injection molding cavities each having a mold gate;
an injection nozzle having a nozzle body, a nozzle end and at least two nozzle tips, said nozzle body having a nozzle melt channel, said nozzle end having a melt bore in fluid communication with said nozzle melt channel, and said at least two nozzle tips having enclosed melt channels in fluid communication with said nozzle end melt bore, wherein said nozzle end is removably coupled to said nozzle body and said at least two nozzle tips are removably coupled to said nozzle end and wherein each of said nozzle tip melt channel communicates with a respective mold gate of a respective mold cavity;
a first heater for heating said nozzle body;
a second heater for heating said nozzle end; and
nozzle tip seal means associated with each nozzle tip for sealingly engaging against a wall surrounding said mold gate.
29. The injection molding apparatus of claim 28, wherein said first heater is embedded within an outer surface of said nozzle body and said second heater is embedded within an outer surface of said nozzle end.
30. The injection molding apparatus of claim 28, wherein said first and second heaters are separately controllable.
31. The injection molding apparatus of claim 28, further comprising:
a first thermocouple positioned within said nozzle body for monitoring said first heater; and
a second thermocouple positioned within said nozzle end for monitoring said second heater.
32. The injection molding apparatus of claim 28, further comprising:
at least one thermocouple for monitoring said first and second heaters.

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. Method of manufacturing a link rod for aeronautical construction, in which method plastic welding is used to secure one longitudinal end of a tube made of thermoplastic to a dedicated part, made of thermoplastic, of an end piece designed to be joined in an articulated manner to a structural component, wherein the tube is manufactured by extruding thermoplastic in order to obtain a hollow section piece one length of which constitutes the tube and which, at the longitudinal end of the tube, has at least one flat surface parallel to the longitudinal axis of the tube,
and wherein, in order to perform the plastic welding, the said at least one flat surface of the longitudinal end of the tube is mated against a corresponding flat surface belonging to the dedicated part of the end piece, then the mated flat surfaces are welded together.
2. Method according to claim 1, wherein the shape of the cross section of the section piece one length of which constitutes the tube is selected from a group consisting of a rectangle, of a square, of a U, of a J, of an I, of an H and of a double H.
3. Method according to claim 1, wherein the end piece is manufactured from one or more thermoplastic section pieces.
4. Method according to claim 3, wherein the shape of the cross section of the section piece or pieces from which the end piece is manufactured is selected from a group consisting of a rectangle, of a square, of an H, of a double H, of a C, of a J, of an I and of a U.
5. Method according to claim 1, wherein the cross section of the end piece has a perimeter which decreases away from the longitudinal end of the tube.
6. Method according to claim 1, wherein, in order to carry out the plastic welding, the end piece is partially housed in the longitudinal end of the tube
7. Method according to claim 1, wherein the tube andor the dedicated part of the end piece are made of a composite material involving a fibre-filled thermoplastic matrix.
8. Method according to claim 7, wherein the said thermoplastic is selected from the group consisting of polyether ether ketone (PEEK), polyether ketone ketone (PEKK), poly(phenylene sulphide) (PPS), polyether imide (PEI).
9. Link rod for aeronautical construction, comprising:
a tube consisting of a length of hollow section piece which is obtained by extruding thermoplastic and which, at one longitudinal end, has at least one flat surface parallel to the longitudinal axis of the tube, and
an end piece which includes a dedicated part, made of thermoplastic, to which there is secured an articulation member designed to join the link rod to a structural component and which is secured to the tube by at least one plastic weld between the said at least one flat surface of the longitudinal end of the tube and a mating flat surface belonging to this dedicated part.
10. Link rod according to claim 9, wherein the articulation member is made of a composite with a thermoplastic matrix.
11. Link rod according to claim 9, wherein the articulation member consists of an end fitting made of metal.

1. A disposable wearing article comprising:
a topsheet facing the wearer’s skin;
a backsheet facing away from the wearer’s skin;
a liquid-absorbent layer sandwiched between said top- and backsheets;
a front waist region;
a rear waist region;
a crotch region extending between said waist regions;
longitudinally opposite ends extending in a transverse direction and transversely opposite edges extending in a longitudinal direction;
transversely opposite edges of said crotch region being provided with leg elastic members attached in a stretchablecontractible manner, said leg elastic members comprising first elastic members extending from a side of said front waist region into said crotch region so as to be convex toward a middle zone of said crotch region and second elastic members extending from a side of said rear waist region into said crotch region so as to be convex toward the middle zone of said crotch region, and said first elastic members having transversely opposite lateral segments and intermediate segments extending between said lateral segments across said crotch region and said second elastic members having transversely opposite lateral segments and intermediate segments extending between said lateral segments across said crotch region;
said backsheet being composed of an inner sheet facing said liquid-absorbent layer and extending in said front and rear waist regions and said crotch region or at least said crotch region and an outer sheet extending on an outside of said inner sheet between said front and rear waist regions, a region of said backsheet in which said inner and outer sheets are placed upon each other having a light transmission in a range of 20 to 50%, and the respective intermediate segments of said first and second elastic members being sandwiched between said liquid-absorbent layer and said inner sheet.
2. The wearing article defined by claim 1, wherein color of said first and second elastic members is substantially the same as that of said inner and outer sheets and a color difference between said inner sheet and said first and second elastic members is in a range of 10 to 30.
3. The wearing article defined by claim 1, wherein a stretch ration of the respective intermediate segments of said first and second elastic members is in a range of 1.1 to 1.3.
4. The wearing article defined by claim 1, wherein the 5 respective intermediate segments of said first and second elastic members are left free from said liquid-absorbent layer.
5. The wearing article defined by claim 1, wherein said inner and outer sheets are formed from one of moisture-pervious but liquid-impervious plastic film and a hydrophobic fibrous nonwoven fabric.

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 client device comprising:
a memory;
a presence module adapted to be located in the memory;
a service directory adapted to be located in the memory;
a search module adapted to be located in the memory;
a processor coupled to the memory and adapted to
execute the presence module to enable the client device to receive service provider presence information from a presence server and store the service provider presence information in the service directory, with the service provider presence information including at least status information of at least one service provider, at least one service instance offered by the at least one service provider, and one or more characteristics of the at least one service instance, and
execute the search module to locate at least one service provider based at least in part on the service provider presence information stored in the service directory.
2. The client device of claim 1 further comprising:
a network interface coupled to the processor and adapted to send a service request to the at least one service provider in the event that the service provider presence information meets at least one service selection criterion.
3. The client device of claim 1 wherein the one or more characteristics of the at least one service instance include a selected one of a hosting environment element, a service interface, a location and a capability.
4. The client device of claim 1 wherein
receiving the service provider presence information comprises receiving the service provider presence information on a selected one of a solicitation basis or a notification basis.
5. A computer-implemented method comprising:
receiving, at a client device, service provider presence information from a presence server;
storing, by the client device, the service provider presence information in a service directory, with the service provider presence information including at least status information of at least one service provider, at least one service instance offered by the at least one service provider, and one or more characteristics of the at least one service instance; and
locating, by the client device, at least one service provider based at least in part on the service provider presence information stored in the service directory.
6. The computer-implemented method of claim 5 further comprising:
sending, by the client device, a service request to the at least one service provider in the event that the service provider presence information meets at least one service selection criterion.
7. The computer-implemented method of claim 5 wherein the one or more characteristics of the at least one service instance include a selected one of a hosting environment element, a service interface, a location and a capability.
8. The computer-implemented method of claim 5 wherein receiving, at the client device, the service provider presence information comprises receiving, at the client device, the service provider presence information on a selected one of a solicitation basis or a notification basis.
9. An article comprising a machine-readable storage medium that contains instructions of client device, which when executed, cause the client device to perform operations comprising:
receiving service provider presence information from a presence server;
storing the service provider presence information in a service directory, with the service provider presence information including at least status information of at least one service provider, at least one service instance offered by the at least one service provider, and one or more characteristics of the at least one service instance; and
locating at least one service provider based at least in part on the service provider presence information stored in the service directory.
10. The article of claim 9 wherein the operations further comprise:
sending a service request to the at least one service provider in the event that the service provider presence information meets at least one service selection criterion.
11. The article of claim 9 wherein the one or more characteristics of the at least one service instance include a selected one of a hosting environment element, a service interface, a location and a capability.
12. The article of claim 9 wherein receiving the service provider presence information comprises receiving the service provider presence information on a selected one of a solicitation basis or a notification basis.