Brookston Beer Bulletin

Jay R. Brooks on Beer

  • Home
  • About
  • Editorial
  • Birthdays
  • Art & Beer

Socialize

  • Dribbble
  • Email
  • Facebook
  • Flickr
  • GitHub
  • Instagram
  • LinkedIn
  • Pinterest
  • RSS
  • Twitter
  • YouTube
Powered by Head Quarters Built on WordPress
You are here: Home / Beers / Patent No. 3672390A: Draw-Off Tube

Patent No. 3672390A: Draw-Off Tube

June 27, 2015 By Jay Brooks

patent-logo
Today in 1972, US Patent 3672390 A was issued, an invention of Elbert Gravesteijn, assigned to Amstel Brouwerij, for his “Draw-Off Tube.” There’s no Abstract, although in the description it includes this summary:

The invention relates to a draw-off tube having on its free end a frontally closed tubular extension, to which there is detachably connected a head with an external, radial flange provided with flattened portions on its circumference, and a cylindrical externally screw threaded casing extending axially from said flange and surrounding said tubular extension coaxially, which external screw thread, after insertion of the draw of? tube in a cask of beer or the like, admits of being screwed into the internal screw thread of the bung hole of the cask, a ring valve loaded by a spring, more particularly .by a helical compression spring, being provided in the space between the inner circumference of the cylindrical casing and the outer circumference of the tubular extension, which ring valve is axially displaceable from the seats formed on said circumferences and which ring valve has its outer circumference adapted to free or close the compressed gas passage and has its inner circumference adapted to simultaneously free or close the beer passage formed by a row of radial openings provided in the wall of the tubular extension adjacent its free end, said cylindrical casing being provided with arms downwardly extending therefrom, which arms are detachably connected with a radial flange provided on the extension, which flange supports the compression spring.

Untitled

Filed Under: Beers, Breweries, Just For Fun, Politics & Law, Related Pleasures Tagged With: Brewing Equipment, History, Law, Patent, Science of Brewing



Find Something

Northern California Breweries

Please consider purchasing my latest book, California Breweries North, available from Amazon, or ask for it at your local bookstore.

Beer Bulletin Email

Enter your email address to receive daily digests:

Recent Comments

  • Susan Appel on Historic Beer Birthday: John Roehm
  • S. Pavelka on Beer Birthday: Rich Norgrove
  • Celebrating Texas History With Alamo Beer: An Iconic Taste Of The Lone Star State – SanctuaryBrewCo on Fictional Beer Brands
  • Neal Carey on Historic Beer Birthday: Anton Zahm
  • Experience The Taste Of Duff Beer: Limited-Edition Cans And Home Brewing Kits – SanctuaryBrewCo on Fictional Beer Brands

Recent Posts

  • Beer In Ads #4340: Miss Rheingold 1955 Raising The Flags February 2, 2023
  • Historic Beer Birthday: Anton Schwarz February 2, 2023
  • Beer Birthday: Luke Nicholas February 2, 2023
  • Historic Beer Birthday: Frank Senn February 2, 2023
  • Beer Birthday: Jamie Floyd February 2, 2023

Tag Cloud

Advertising Anheuser-Busch Announcements Bay Area Belgium Brewers Association Brewing Equipment Budweiser Business California Christmas Europe France Germany Guinness Health & Beer History Holidays Hops Humor Infographics Kegs Law Mainstream Coverage Miller Brewing Northern California Pabst Packaging Patent Pennsylvania Press Release Prohibitionists Rheingold San Francisco Schlitz Science Science of Brewing Sports Statistics The Netherlands UK Uncategorized United States Video Washington

The Sessions

session_logo_all_text_1500

Next Session: Dec. 7, 2018
#142: One More for the Road
Previous Sessions
  • #141: Future of Beer Blogging
  • #140: Pivo
  • #139: Beer & the Good Life
  • #138: The Good in Wood
  • #137: German Wheat
Archive, History & Hosting

Typology Tuesday

Typology-png
Next Typology:
On or Before March 29, 2016
#3: Irish-Style Dry Stout
Previous Typologies
  • #2: Bock Feb. 2016
  • #1: Barley Wine Jan. 2016
Archive & History

This month’s posts

February 2023
S M T W T F S
 1234
567891011
12131415161718
19202122232425
262728  
« Jan    

BBB Archives