1. A process for producing a twist-beam axle, which respectively has a light metal longitudinal link and an iron metal transverse arm, said process comprising at least the following steps:
producing a casting mold for the respective longitudinal link,
inserting an appropriate end of the transverse arm into a corresponding recess in the casting mold,
then pouring liquid light metal into the casting mold for the longitudinal link,
cooling the light metal melt introduced into the casting mold,
removing the cooled light metal joined to the end of the transverse arm from the casting mold.
2. The process as claimed in claim 1,
wherein
the liquid light metal, as it is being poured into the casting mold, flows around the end of the transverse arm inserted into the casting mold.
3. The process as claimed in claim 1,
wherein
the twist-beam axle is produced by permanent mold casting, the liquid light metal which forms the longitudinal link being cast around the end of the transverse arm.
4. The process as claimed in claim 1 further comprising the step of:
providing attachment points for suspension or chassis components in the casting mold for the longitudinal link.
5. The process as claimed in claim 1 further comprising the step of,
joining the end of the transverse arm at least with a force fit or frictionally to the longitudinal link, after which the light metal melt is cooled.
6. The process as claimed in claim 1 further comprising the step of:
joining the end of the transverse arm with a form fit to the longitudinal link by providing the end with recesses, into which the liquid light metal can flow as it is being introduced into the casting mold.
7. The process as claimed in claim 1 further comprising the step of:
joining a first and a second longitudinal links of the twist-beam axle by casting to the transverse arm at the same time.
8. The process as claimed in claim 1 further comprising the step of:
aligning the casting mold and the transverse arm with respect to one another before liquid light metal is poured into the casting mold.
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. An apparatus for connecting a fluid medication reservoir to a fluid conduit; the apparatus comprising:
a cap for coupling a fluid medication reservoir to a fluid conduit, the cap having a circumference;
a conduit cavity disposed in the cap and adapted to secure the fluid conduit to the cap, wherein the conduit cavity is adapted to connect to infusion set tubing and is formed about an axis around which the cap rotates, the axis being perpendicular to a plane defined by the circumference of the cap;
infusion set tubing adapted to connect to the conduit cavity disposed in the cap;
a first housing engagement member disposed on the cap adapted to engage a housing of a medication infusion pump; and
a second housing engagement member disposed on the cap adapted to engage the housing of the medication infusion pump;
wherein:
at least one housing engagement member disposed on the cap comprises a retractable detent arm formed within and defining a portion of the circumference of the cap and the cap is adapted to be releasably secured within a recess of the housing of the medication infusion pump upon rotation of the cap around the axis;
the first and second housing engagement members are disposed on the cap so that the fluid medication reservoir is disposed within the recess of the housing of the medication infusion pump when the cap is operatively coupled to the housing of the medication infusion pump; and
the cap having the conduit cavity adapted to connect to infusion set tubing and the first and second housing engagement members are formed as a homogenous one piece unit.
2. The apparatus of claim 1, wherein the first or the second housing engagement member comprises a tab or a thread.
3. The apparatus of claim 1, wherein the first or the second housing engagement member comprises a shoulder that forms a seal with the housing when the cap is operatively engaged with the housing.
4. The apparatus of claim 1, wherein the first or the second housing engagement member comprises a tab.
5. The apparatus of claim 1, wherein the first or the second housing engagement member comprises a thread.
6. The apparatus of claim 1, wherein the cap further comprises means for securing the cap to the housing such that water is prevented from entering the housing.
7. The apparatus of claim 1, wherein the cap comprises a fluid medication reservoir engagement member adapted to engage the fluid medication reservoir.
8. The apparatus of claim 1, wherein the conduit cavity is an open-ended cylindrical cavity.
9. The apparatus of claim 1, wherein the fluid conduit comprises a piercing member which pierces a septum in the fluid medication reservoir when the fluid conduit is connected with the apparatus and the apparatus is coupled and operatively engaged with the fluid medication reservoir.
10. The apparatus of claim 1, wherein the cap includes a detent opening formed along the circumference of the cap.
11. The apparatus of claim 1, wherein the cap comprises a locking member that prevents movement of the cap when the cap is operatively engaged with the housing of the medical device.
12. The apparatus of claim 1, wherein engaging the reservoir results in tactile or visual feedback to a user when the apparatus is engaged with the reservoir.
13. The apparatus of claim 1, wherein the first and second housing engagement members are disposed on the cap so that all of the fluid medication reservoir is disposed within the housing of the medication infusion pump when the first and second housing engagement members are operatively engaged with the housing of the medication infusion pump.
14. The apparatus of claim 1, wherein the first or second housing engagement member is positioned on the apparatus so that the apparatus and the reservoir are disposed within the housing of the medication infusion pump when the apparatus is secured within the housing.
15. An apparatus for connecting a fluid medication reservoir to a fluid conduit; the apparatus comprising:
a cap for coupling a fluid medication reservoir to a fluid conduit, the cap having a circumference;
a conduit cavity disposed in the cap and adapted to secure the fluid conduit to the cap, wherein the conduit cavity is adapted to connect to infusion set tubing and is formed about an axis around which the cap rotates, the axis being perpendicular to a plane defined by the circumference of the cap;
a first housing engagement member disposed on the cap adapted to engage a housing of a medication infusion pump, wherein the first housing engagement member comprises a retractable detent arm formed within and defining a portion of the circumference of the cap; and
a second housing engagement member disposed on the cap adapted to engage the housing of the medication infusion pump upon rotation of the cap around the axis;
wherein the first and second housing engagement members are disposed on the cap so that all of the fluid medication reservoir is disposed within a recess of the housing of the medication infusion pump when the first and second housing engagement members are operatively engaged with the housing of the medication infusion pump; and
the cap having the conduit cavity adapted to connect to infusion set tubing and the first and second housing engagement members are formed as a homogenous one piece unit.
16. The apparatus of claim 15, further comprising infusion set tubing adapted to connect to the conduit cavity disposed in the cap.
17. The apparatus of claim 15, wherein the first or second housing engagement member is positioned on the apparatus so that the apparatus and the reservoir are disposed within the housing of the medication infusion pump when the apparatus is secured within the housing.
18. The apparatus of claim 15, wherein the cap includes a detent opening formed along the circumference of the cap.
19. An apparatus for connecting a fluid medication reservoir to a fluid conduit; the apparatus comprising:
a cap for coupling a fluid medication reservoir to a fluid conduit, the cap having a circumference;
a conduit cavity disposed in the cap and adapted to secure the fluid conduit to the cap, wherein the conduit cavity is adapted to connect to infusion set tubing and is formed about an axis around which the cap rotates, the axis being perpendicular to a plane defined by the circumference of the cap;
infusion set tubing adapted to connect to the conduit cavity disposed in the cap; and
a retractable detent arm formed within and defining a portion of the circumference of the cap and adapted to engage a housing of a medication infusion pump;
wherein:
the cap is adapted to be releasably secured within a recess of the housing of the medication infusion pump upon rotation of the cap around the axis;
the retractable detent arm is disposed on the cap so that the fluid medication reservoir is disposed within the recess of the medication pump housing when the cap is operatively coupled to the medication pump housing; and
the cap having the conduit cavity adapted to connect to infusion set tubing and the detent arm are formed as a homogenous one piece unit.
20. The apparatus of claim 19, wherein the retractable detent arm is disposed on the cap so that all of the fluid medication reservoir is disposed within the housing of the medication infusion pump when the housing engagement member is operatively engaged with the housing of the medication infusion pump.
21. The apparatus of claim 19, wherein the retractable detent arm is positioned on the apparatus so that the apparatus and the reservoir are disposed within the housing of the medication infusion pump when the apparatus is secured within the housing.
22. The apparatus of claim 19, wherein the cap includes a detent opening formed along the circumference of the cap.