1. A dispensing head for an air pump, comprising:
a sleeve including a tubular portion and an enlarged portion, the tubular portion having a passage defined therethrough, a chamber defined in the enlarged end of the sleeve, the chamber communicating with the passage;
a housing having a first connection portion defined in a first end thereof and a through hole defined through a second end of the housing, the enlarged end having the chamber of the sleeve being received in the housing; and
a mount piece having a first groove defined in an outside thereof and a first seal ring engaged with the first groove, a second connection portion defined in the outside of the mount piece and connected with the first connection portion so as to receive the mount piece in the housing, a first end of the mount piece being inserted in the chamber and enclosed by the enlarged end of the sleeve, the enlarged end of the sleeve surrounding the first ring and the first groove, the enlarged end of the sleeve located between the housing and the first ring, the first seal ring being in contact with an inner periphery of the chamber, a plurality of inner threads defined axially in a central passage in the mount piece and adapted to be connected with a threaded section of a French valve, a second groove defined in the mount piece and located close to a second end of the mount piece, a second seal ring engaged with the second groove and adapted to be mounted to a neck of the French valve, with the second end of the mount piece having an outlet in communication with the central passage of the mount piece, with the second groove located between the plurality of inner threads and the outlet of the mount piece, the second connection portion axially spaced from the first groove, the first connection portion located between the first groove and the second groove.
2. The dispensing head as claimed in claim 1, wherein the first connection portion of the housing is threadedly connected with the second connection portion of the mount piece.
3. The dispensing head as claimed in claim 1, wherein the first connection portion of the housing is a convexconcave portion and the second connection portion of the mount piece is a concaveconvex portion which is engaged with the first connection portion.
4. The dispensing head as claimed in claim 1, wherein the first connection portion of the housing is force fitted with the second connection portion of the mount piece.
5. The dispensing head as claimed in claim 1, wherein the first connection portion of the housing is adhered to the second connection portion of the mount piece.
6. The dispensing head as claimed in claim 1, wherein the housing includes a serrated outer surface.
7. The dispensing head as claimed in claim 1, wherein a flange with an end surface is located on the second end of the mount piece and the flange includes a diameter larger than an outer diameter of the first end of the housing, the second connection portion located between the first end of the mount piece and the flange, the second connection portion of the mount piece having an outer diameter smaller than the diameter of the flange and larger than an outer diameter of the first end of the mount piece.
8. The dispensing head as claimed in claim 7, wherein the outlet is defined in a center of the end surface.
9. The dispensing head as claimed in claim 1, wherein the first seal ring is made by rubber.
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 morphing material, comprising:
an outer layer;
a polymer layer; and
an inner core, wherein the polymer layer is between the inner core and the outer layer, wherein the inner core includes a shape memory polymer and the shape memory polymer has a known glass transition temperature, wherein the morphing material can be mechanically deformed to a temporary shape when a temperature of the shape memory polymer is at or above the glass transition temperature.
2. The morphing material of claim 1, wherein the shape memory polymer includes covalent bonds and some of the covalent bonds are broken when the temperature of the shape memory polymer is at or above the glass transition temperature.
3. The morphing material of claim 1, wherein a slip plane is created when the temperature of the shape memory polymer is at or above the glass transition temperature and the slip plane allows the polymer layer and outer layer to act at least partially independent of the inner core.
4. The morphing material of claim 1, wherein the morphing material includes a permanent shape and the morphing material can transition from the temporary shape to the permanent shape when the temperature of the shape memory polymer is at or above the glass transition temperature.
5. The morphing material of claim 1, wherein the polymer layer includes fibers to increase the stiffness of the morphing material.
6. The morphing material of claim 1, further comprising:
a second shape memory polymer, wherein the second shape memory polymer has a known second glass transition temperature that is different than the glass transition temperature.
7. The morphing material of claim 1, further comprising:
a second inner core, wherein the second inner core is next to the inner core and the second inner core includes a second shape memory polymer and the second shape memory polymer has a known second glass transition temperature.
8. The morphing material of claim 1, wherein the glass transition temperature is about the temperature of a user that is using the morphing material.
9. A method, comprising:
heating a material to a temperature above a glass transition temperature for the material, wherein the material includes:
an outer layer;
a polymer layer; and
an inner core, wherein the polymer layer is between the inner core and the outer layer, wherein the inner core includes a shape memory polymer, wherein the material can be mechanically deformed to a temporary shape when a temperature of the shape memory polymer is at or above the glass transition temperature; and
deforming the material.
10. The method of claim 9, wherein the shape memory polymer includes covalent bonds and some of the covalent bonds are broken when the temperature of the shape memory polymer is at or above the glass transition temperature.
11. The method of claim 9, wherein a slip plane is created when the temperature of the shape memory polymer is at or above the glass transition temperature and the slip plane allows the polymer layer and outer layer to act at least partially independent of the inner core.
12. The method of claim 9, wherein the material is mechanically deformed into a temporary shape.
13. The method of claim 12, further comprising:
re-heating the material to a temperature above the glass transition temperature, wherein, in reaction to the re-heating, the material transitions from the temporary shape to a permanent shape without any intervention.
14. The method of claim 9, wherein the material further includes a second shape memory polymer, wherein the second shape memory polymer has a known second glass transition temperature that is different than the glass transition temperature.
15. The method of claim 9, wherein the material further includes a second inner core, wherein the second inner core is next to the inner core and the second inner core includes a second shape memory polymer and the second shape memory polymer has a known second glass transition temperature.
16. An electronic device, comprising:
a plurality of electronic components; and
a morphing material coupled to at least one of the plurality of electronic components, wherein the morphing material includes:
an outer layer;
a polymer layer; and
an inner core, wherein the polymer layer is between the inner core and the outer layer, wherein the inner core includes a shape memory polymer and the shape memory polymer has a known glass transition temperature, wherein the morphing material can be mechanically deformed to a temporary shape when a temperature of the shape memory polymer is at or above the glass transition temperature.
17. The electronic device of claim 16, wherein the shape memory polymer includes covalent bonds and some of the covalent bonds are broken when the temperature of the shape memory polymer is at or above the glass transition temperature.
18. The electronic device of claim 16, wherein a slip plane is created when the temperature of the shape memory polymer is at or above the glass transition temperature and the slip plane allows the polymer layer and outer layer to act at least partially independent of the inner core.
19. The electronic device of claim 16, wherein the morphing material includes a permanent shape and the morphing material can transition from the temporary shape to the permanent shape when the temperature of the shape memory polymer is at or above the glass transition temperature.
20. The electronic device of claim 16, wherein the morphing material further includes:
a second shape memory polymer, wherein the second shape memory polymer has a known second glass transition temperature that is different than the glass transition temperature.
21. The electronic device of claim 16, wherein the morphing material further includes:
a second inner core, wherein the second inner core is next to the inner core and the second inner core includes a second shape memory polymer and the second shape memory polymer has a known second glass transition temperature.
22. A system, comprising:
means for heating a material to a temperature above a glass transition temperature for the material, wherein the material includes:
an outer layer;
a polymer layer; and
an inner core, wherein the polymer layer is between the inner core and the outer layer, wherein the inner core includes a shape memory polymer, wherein the material can be mechanically deformed to a temporary shape when a temperature of the shape memory polymer is at or above the glass transition temperature; and
means for deforming the material.
23. The system of claim 22, wherein the shape memory polymer includes covalent bonds and some of the covalent bonds are broken when the temperature of the shape memory polymer is at or above the glass transition temperature.
24. The system of claim 22, wherein a slip plane is created when the temperature of the shape memory polymer is at or above the glass transition temperature and the slip plane allows the polymer layer and outer layer to act at least partially independent of the inner core.
25. The system of claim 22, further comprising:
means for heating the material to a temperature above a second glass transition temperature for the material, wherein the material further includes:
a second inner core, wherein the second inner core includes a second shape memory polymer and the second glass transition temperature is associated with the second shape memory polymer.