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About Us
Sealing Industries Inc. has
over 35 years experience in the RF heat seal industry
with hands-on experience in the operation, maintenance,
service and applicability of RF machines.

Don Bartholomae has been
working with RF equipment since the age of 19 as an
operator at a small bindery located in the Chicago area.
Don soon became a production manager with maintenance
responsibilities for over 20 various RF machines.
In 1974, Don was given the
position of salesman and serviceman for the largest producer of RF machines at
that time. In the following years, he gained
extensive knowledge in the many diverse areas and
industries where RF sealing is utilized. His
eventual promotion to Manager of the Chicago office
exposed him to an array of customer's needs.
In 1999,
Cosmos-Kabar Mfg.
(currently the world's largest manufacturer of RF heat
seal equipment) contracted with Don for
sales representation in the Central & Midwestern United
States.
Don Bartholomae's expertise
spans the medical and automotive
markets, as well as
looseleaf bindery, healthcare, canvas & tent industry,
athletic protection and inflatables. Today,
Sealing Industries provides sales in new and used RF
Machinery & Equipment and Automation Systems as well as providing
RF & Blister Sealing Dies and Tooling.
Sealing Industries is
dedicated to providing it's customers with quality and
service unsurpassed in the RF industry.
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