Door seal test set-up concepts 10/10/2015Robin Lafever LBNL1 Generic Door seal concepts for personnel access and feed-through applications in the CUORE Radon barrier / Clean room assembly. Final design details will be customized to accomodate specific door seal cross- sections For Carlo BucciLNGS Paolo GorlaLNGS Richard KadelLBNL

10/10/2015Robin Lafever LBNL2 CUORE Door seal test set-up Pressure Seal configuration CLOSURE DETAIL CUORE Door seal test set-up Pressure Seal configuration CLOSURE DETAIL Comments: At the moment, there seems to be no special need for N2 ports in any of the test boxes. If such a need arises, they should be easy to retrofit. Note newer smaller boxes. Some details have been changed from the original concept, based on discussions with Leo Tatananni at the LNGS machine shop. He suggests 5mm Stainless Steel for the box construction, with all joints TIG welded. I concur. Details shown are generic and I encourage using local suppliers where possible, and will gladly modify design details if necessary to accommodate off-the-shelf solutions. Final details will be designed around specific seal cross-sections, Yet to be selected. Next steps might be to forward these concepts to Ezio Previtali and the Milano(?) Group for comments about the feasibility and proceedure for doing a suite of tests to proof Radon resistance of selected configurations and materials.

Robin Lafever LBNL3 CUORE Door seal test set-up GENERIC BOX Material preferences All 10mm thick Aluminum -welded or Steel -welded or Acrylic (plexiglas) –solvent welded 10/10/2015

CUORE Door seal test set-up DeStaCo Clamp Doubler plate to allow blind-tapped holes for mounting screws Test Gasket specimen Top shown removed 10/10/20154Robin Lafever LBNL

5 CUORE Door seal test set-up Top shown installed 10/10/2015

Robin Lafever LBNL6 CUORE Door seal test set-up REDUCED VOLUME Material: 5mm thick SS All joints TIG Welded

10/10/2015Robin Lafever LBNL7 CUORE Door seal test set-up Pressure Seal configuration

10/10/2015Robin Lafever LBNL8 CUORE Door seal test set-up Pressure Seal configuration Material: 5mm thick SS All joints TIG Welded

10/10/2015Robin Lafever LBNL9 CUORE Door seal test set-up Pressure Seal configuration CLOSURE DETAIL

10/10/2015Robin Lafever LBNL10 CUORE Door seal test set-up Pressure Seal configuration CLOSURE DETAIL