Freudenberg-NOK Sealing Technologies Develops Curve Gasket to Support Design
Trend for Lightweight Components
Curve Gasket's innovative design is ideal for sealing lightweight components
LAS VEGAS, March 3, 2014
LAS VEGAS, March 3, 2014 /PRNewswire/ -- Freudenberg-NOK Sealing Technologies
recently developed a new elastomeric static seal, the Curve Gasket, as part of
a global effort from its Gaskets Division.
The patent-pending Curve Gasket supports the trend of new powertrain modules
with a focus on lightweight design. With greater stability, lower reaction
forces and wider compression ranges, the Curve Gasket helps minimize the
amount of structural plastic required in engine covers.
To achieve the dimensional stability and lower reaction forces essential for
sealing lightweight thermoplastic covers, the Curve Gasket uses a combination
of constant and undulated cross-sections that reduce loading. The undulated
sections of the gasket use the same design principle as the corrugated waves
used to stabilize metal sheeting.
"This innovation helps to overcome the design challenges of traditional
press-in-place gaskets," said Rafael Muchon, global product marketing
director, Gaskets Division. "The Curve Gasket's unique design offers greater
stability in smaller grooves, which is ideal for the thermoplastic covers that
we're seeing on new engine designs."
The Curve Gasket is fine-tuned to optimize its performance based on the
sealing application. The design allows a shift of compression range to a
higher level while reducing reaction forces. At elevated temperatures that
often cause gasket expansion issues, the unique design also prevents the
gasket from exceeding the void volume limit.
"With today's specifications, our customers are looking for cost-effective
solutions across a range of different industries and applications. The Curve
Gasket achieves perfect sealing while supporting efforts to use less material
on their components," said Rainer Joest, global manager, Gaskets Division.
"Whether it's automotive, power generation, or a completely new application,
this innovation really sets us apart. The Curve Gasket gives our customers
more press-in-place gasket solutions than ever before."
Development of the Curve Gasket was led by the division's European team. As
the production process uses standard molding tools and presses, it is now
available to customers worldwide via Freudenberg-NOK's network of
manufacturing facilities in North America, South America, Europe, and Asia.
Another gasket developed recently is the Deformed Large Format Gasket (DLFG).
The patented design and molding process allows injection molding of oversized
flat flange gaskets on conventional sized presses. This saves on press and
tooling costs, and helps reduce gasket development time. Typical
large-perimeter applications for this type of elastomeric gasket include
battery enclosures and oversized covers or pans.
The Curve Gasket and Deformed Large Format Gasket extend the Gaskets
Division's range of elastomeric static seals based on technologies for
press-in-press, edge bonded, over molded, and plastic carrier gaskets.
Both the Curve Gasket and Deformed Large Format Gasket will be showcased at
the International Fluid Power Exposition (IFPE) in Las Vegas, which takes
place March 4 to 8, 2014 at the Las Vegas Convention Center. These are two of
many power generation products that will be on display at FNST's booth.
"IFPE is one of the top conferences of the year for cutting-edge
technologies," Joest added. "We're excited to display the new products we've
been working on and what's in store for the future."
About Freudenberg-NOK Sealing Technologies
Freudenberg-NOK Sealing Technologies is the Americas joint venture between
Freudenberg and Co. in Germany and NOK Corp. in Japan. Freudenberg-NOK is a
leading producer – through its Automotive, Merkel, Process Seals and Simrit
sales channels – of advanced sealing technologies for a variety of markets
including: aerospace; agriculture; appliance; automotive; construction;
diesel engine; energy; food and beverage; heavy industry; and pharmaceutical.
Founded in 1989 under the legal name Freudenberg-NOK General Partnership,
Freudenberg-NOK is headquartered in Plymouth, Mich. and operates more than 20
facilities across the Americas. For additional information, please visit
SOURCE Freudenberg-NOK Sealing Technologies
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