A two-part key coded device that can be added to existing container and dispense stations. The key coded device includes a female key ring that is retrofitted to an existing bung and a compatible male key ring that is retrofitted to an existing or new dispense head. The key code system can enable on
A two-part key coded device that can be added to existing container and dispense stations. The key coded device includes a female key ring that is retrofitted to an existing bung and a compatible male key ring that is retrofitted to an existing or new dispense head. The key code system can enable only a specific or compatible type of chemical to be connected to the dispense head, and provides a measure of safety against inadvertently connecting the wrong type of chemical.
대표청구항▼
1. A method of field installing a keying system to a container and a dispensing system, comprising: providing a first key ring that includes a plurality of protrusions, said plurality of protrusions defining a protrusion pattern;providing a second key ring that defines a plurality of pockets, said p
1. A method of field installing a keying system to a container and a dispensing system, comprising: providing a first key ring that includes a plurality of protrusions, said plurality of protrusions defining a protrusion pattern;providing a second key ring that defines a plurality of pockets, said plurality of pockets defining a pocket pattern that is complementary to said protrusion pattern of said first key ring; andproviding a set of instructions on a tangible medium, said instructions comprising: coupling one of said first key ring and said second key ring to a dispense head;coupling the other of said first key ring and said second key ring to a bung of said container, such that the other of said first key ring and said second key ring freely rotates about an exterior of a neck portion of said bung;coupling said dispense head having said one of said first key ring and said second key ring coupled thereto with said bung having the other of said first key ring and said second key ring coupled thereto, so that said protrusion pattern is engaged within said pocket pattern; andcoupling said dispense head to said bung. 2. The method of claim 1, wherein said first key ring is an inner key ring and said second key ring is an outer key ring, said inner key ring being surrounded by said outer key ring when said protrusion pattern is engaged within said pocket pattern. 3. The method of claim 2, wherein said outer key ring includes a flange portion that extends radially inward from a perimeter portion to define an inner radius. 4. The method of claim 3, wherein said bung includes external threads that define an outer radius, said outer radius being greater than said inner radius of said flange portion. 5. The method of claim 4, wherein said flange portion includes structure that defines a plurality of slots that extend radially outward from the inner radius. 6. The method of claim 1, further comprising providing a guard for insertion into said bung, said guard covering an opening of said bung to prevent particulates from entering said container,wherein said instructions provided in the step of providing instructions include:inserting said guard into said bung before the step of coupling the other of said first key ring and said second key ring to said bung of said container; andremoving said guard from said bung after said step of inserting and before the step of coupling said dispense head with said bung. 7. The method of claim 4, further comprising: providing a guard for insertion into said bung, said guard covering an opening of said bung to prevent particulates from entering said container; andproviding an assembly tool adapted to contact said outer key ring while said outer key ring is coupled to said bung of said container and while said guard is inserted within said bung,wherein said instructions provided in the step of providing instructions include:inserting said guard into said bung before the step of coupling the other of said first key ring and said second key ring to a bung of said container;engaging said assembly tool with said outer key ring while said outer key ring is coupled to said bung of said container and while said guard is inserted within said bung;exerting a force on said assembly tool while said assembly tool is engaged with said outer key ring, causing said flange portion of said outer key ring to course over said external threads of said bung; andafter said step of exerting, removing said assembly tool from engagement with said outer key ring and said guard from said bung. 8. The method of claim 1, further comprising: providing a first key ring portion and a second key ring portion to joined together to form one of said first key ring and said second key ring, andwherein said instructions provided in the step of providing instructions include:positioning said first key ring portion and said second key ring portion proximate said neck portion of said bung; andjoining said first key ring portion to said second key ring portion so that said first key ring portion and said second key ring portion form one of said first key ring and said second key ring that surrounds said neck portion of said bung. 9. The method of claim 8, wherein said first key ring portion and said second key ring portion include at least one clasping structure to join said first key ring portion to said second key ring portion. 10. The method of claim 8, wherein said first key ring portion and said second key ring portion are separate components. 11. A field installation kit for keying a container and a dispensing system, comprising: a first key ring that includes a plurality of protrusions, said plurality of protrusions defining a protrusion pattern; anda second key ring that defines a plurality of pockets, said plurality of pockets defining a pocket pattern that is complementary to said protrusion pattern of said first key ring, said protrusion pattern being configured to mesh within said pocket pattern,wherein one of said first key ring and said second key ring is adapted for coupling with a dispense head, the other of said first key ring and said second key ring is adapted for coupling with a bung of said container, the other of said first key ring and said second key ring being configured to freely rotate about an exterior of a neck portion of said bung. 12. The field installation kit of claim 11, wherein said first key ring is an inner key ring and said second key ring is an outer key ring, said inner key ring being surrounded by said outer key ring when said protrusion pattern is engaged within said pocket pattern. 13. The field installation kit of claim 12, wherein said outer key ring includes a flange portion that extends radially inward from a perimeter portion to define an inner radius. 14. The field installation kit of claim 13, wherein said bung includes external threads that define an outer radius, said outer radius being greater than said inner radius of said flange portion. 15. The field installation kit of claim 14, wherein said flange portion includes structure that defines a plurality of slots that extend radially outward from the inner radius. 16. The field installation kit of claim 11, further comprising a guard for covering an opening of said bung to prevent particulates from entering said container. 17. The field installation kit of claim 16, further comprising an assembly tool adapted surround said guard and to contact said outer key ring. 18. The field installation kit of claim 11, further comprising: a first key ring portion and a second key ring portion that are joined together to form one of said first key ring and said second key ring. 19. The field installation kit of claim 18, wherein said first key ring portion and said second key ring portion include at least one clasping structure to join said first key ring portion to said second key ring portion. 20. The field installation kit of claim 18, wherein said first key ring portion and said second key ring portion are separate components. 21. The field installation kit of claim 18, wherein said first key ring portion and said second key ring portion are hinged together to form a clamshell arrangement.
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이 특허에 인용된 특허 (9)
Lo Sin W. (Selangor Darul Ehsan MYX), Closure unit for kegs.
Leifels Joachim,DEX ; Van der Heijden Johannes Arnoldus Petrus,NLX, Device for connecting at least a discharge tube and return tube respectively to a bung connection of a liquid container.
Osgar Michael L. ; Rouzegar Mirsaeed, Liquid chemical dispensing system with a key code ring for connecting the proper chemical to the proper attachment.
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