Bellows fluid seal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9884331
SERIAL NO

15523043

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A bellow seal of a fluid dispensing system is disclosed. The bellow seal having a generally circular cross section includes a first end having a first diameter. The bellow seal further includes a second end having a second diameter that is smaller than the first diameter of the first end. The bellow seal further includes a contoured external surface extending between the first end and the second end. The external surface includes a cylindrical portion extending from the first end, an undulating portion, (which includes a convex portion extending from the cylindrical portion and a concave portion extending from the convex portion), and a tapered portion extending from the concave portion to the second end. The bellow seal further includes a flexible region defined between a first point located on the cylindrical portion and a second point located on the concave portion.

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Patent Owner(s)

Patent OwnerAddress
GRACO MINNESOTA INCMINNEAPOLIS MN 55413

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Haffley, Parker J Hudson, US 4 1
Quam, Paul R Richland, US 29 270
Theisen, Matthew R Woodbury, US 10 15

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