1. Constructing the Seamless - Stainless Steel Nitric Packaging for McMaster-Carr November 16th, 2010 C:UsershowardDocumentsMy DocumentsSkolnik IndustriesSkolnik Industries Logologo.gif

2. Welding

Stainless body sheet is loaded into butt welder

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Body sheet is welded

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Inner weld discoloration

5. Passivation

Passivation of the outer weld removescarbon and discoloration

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After inserting ro -bars, ends and foot rings are welded in place.

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Weld tips are automatically fed.

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Welded drum from back side of welder.

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In-Line Leakproofness Tester

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Close upof testing rotation feature

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Welded drum undergoing LeakproofnessTest

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Verification of Bottom Embossment

per CFR 178.153(b).

13.

Filling the drum with

Citric Passivation solution

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Rotating drum with Citric Passivation solution for 30 minutes

15.

Test indicator of successful passivation - no trace of carbon discoloration.

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Inside view of drum after solution is emptied

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Drying the interior

of the drum.

19.

Neutralizing the drum exterior

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FinalWiping

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UN label affixed, and drum is bagged

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Boxed

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Palletized

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Ready to ship

C:UsershowardPictures2010Seamless Drum First Production 3-2010GEDC1312.JPG C:UsershowardDocumentsMy DocumentsSkolnik IndustriesSkolnik Industries Logologo.gif 25. Thank you! C:UsershowardDocumentsMy DocumentsSkolnik IndustriesSkolnik Industries Logologo.gif