초록 ▼

A polymeric tank assembly is provided having a polymeric container with a neck opening. A ring with protruding barbs is inserted within the neck opening and the neck opening is placed in compression by a surround collar. The ring can be connected with clamping arms which can be engaged by a clamping

A polymeric tank assembly is provided having a polymeric container with a neck opening. A ring with protruding barbs is inserted within the neck opening and the neck opening is placed in compression by a surround collar. The ring can be connected with clamping arms which can be engaged by a clamping ring which retains an instrument within the tank assembly.

대표청구항 ▼

What is claimed is: 1. A polymeric tank assembly, comprising: a polymeric container having an opening neck with interior and exterior surfaces; a ring closely fitted within said neck interior surface with locking protrusions engaging with said neck and penetrating said neck interior surface, wherei

What is claimed is: 1. A polymeric tank assembly, comprising: a polymeric container having an opening neck with interior and exterior surfaces; a ring closely fitted within said neck interior surface with locking protrusions engaging with said neck and penetrating said neck interior surface, wherein said ring has a locking ring connected thereto, and wherein said locking ring has a clamping arm connected thereto; and a collar fitted over said neck exterior surface with a portion opposite said ring protrusions, placing said neck in compression. 2. A tank assembly as described in claim 1, wherein said polymeric material is plastic. 3. A tank assembly as described in claim 2, wherein said plastic swells when exposed to a liquid hydrocarbon. 4. A tank assembly as described in claim 1, wherein said polymeric material is blow molded. 5. A tank assembly as described in claim 1, wherein said polymeric material is roto-molded. 6. A tank assembly as described in claim 1, further including a sealing member between said ring and said neck interior surface. 7. A tank assembly as described in claim 6, wherein said sealing member is spray-applied. 8. A tank assembly as described in claim 6, wherein said sealing member is made from a Teflon짰 material. 9. A tank assembly as described in claim 1, wherein said ring is more rigid than said collar. 10. A tank assembly as described in claim 1, wherein said ring is press fitted within said neck. 11. A tank assembly as described in claim 1, having a fluid fitting fixably connected with said ring. 12. A tank assembly as described in claim 11, wherein said fluid fitting is threaded for threaded connection with a fluid conduit. 13. A tank assembly as described in claim 1, wherein an instrument insert for said tank is connected with said tank by rotating a clamping plate which interlocks with said clamping arm. 14. A fuel tank assembly as described in claim 13, wherein said clamping plate clamps down on a module flange and wherein said instrument is connected with said module flange. 15. A polymeric tank assembly comprising: a polymeric container having an opening neck with interior and exterior surfaces; a ring closely fitted within said neck interior surface with protrusions penetrating said neck interior surface; a collar fitted over said neck exterior surface placing said neck in compression; said ring being connected with a locking ring having connected thereto a clamping arm; and a clamping ring for connection to said tank by rotating and interlocking with said clamping arm. 16. A tank assembly as described in claim 15, wherein said clamping ring has slots for receiving said clamping arm and wherein said clamping ring has a series of mounds brought into engagement with slots of the clamping arm causing said clamping ring to clamp down. 17. A tank assembly as described in claim 16, wherein said clamping ring has a retainer tab preventing inadvertent rotation of the clamping ring. 18. A tank assembly as described in claim 15, wherein a module flange is pushed down by said clamping ring. 19. A tank assembly as described in claim 18, wherein said module flange is connected with an instrument positioned in said polymeric container. 20. A tank assembly as described in claim 1, wherein said collar is an endless ring.