World Library  
Flag as Inappropriate
Email this Article

Mouthpiece (scuba)

Article Id: WHEBN0006002799
Reproduction Date:

Title: Mouthpiece (scuba)  
Author: World Heritage Encyclopedia
Language: English
Subject: Scuba set, Scuba diving, Viper (rebreather), Hervé Jaubert
Collection: Underwater Breathing Apparatus
Publisher: World Heritage Encyclopedia
Publication
Date:
 

Mouthpiece (scuba)

Nemrod double-hose diving regulator made in the 1980s. Its mouthpiece can be strapped in.

In breathing sets, a mouthpiece is a part that the user grips in his mouth, to make a watertight seal between the breathing set and his mouth. It is composed of a short flattened-oval tube that goes in between the lips, with on its free end a flange that fits between the lips and the tooth and gums. On the flange there are two projections with enlarged ends, which are gripped between the teeth. Most sport diving scuba sets use a mouthpiece rather than a fullface mask.

In many industrial breathing sets and a few scuba sets (e.g. the Siebe Gorman Salvus, and a 1980s model of double-hose diving regulator made by Nemrod), the mouthpiece also has an outer rubber flange that fits outside the lips and extends into two straps that fasten together behind the neck. That makes the mouthpiece more airtight and watertight, and helps to keep the mouthpiece in if the user lets his lips or jaws get slack through unconsciousness or absent-mindedness or being preoccupied with work.

A mouthpiece in the mouth prevents clear speech; as a result, many work divers, and many people who use a breathing set on land (e.g. firefighters), use a fullface mask.

Contents

  • In breathing sets with two wide hoses 1
    • Godel mouthpiece 1.1
  • See also 2
  • Further reading 3

In breathing sets with two wide hoses

In a loop of wide breathing tubes like in a twin-hose aqualung or some rebreathers, the word "mouthpiece" is sometimes taken to mean the whole of the rigid assembly between the two flexible tubes.

Godel mouthpiece

In the 1960s a mouthpiece assembly of this sort (for a double-hose aqualung), called a "Godel mouthpiece" was made, which had a snorkel attached, and a valve so the diver could breathe from the aqualung or from the snorkel.

See also

Further reading

This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 



Copyright © World Library Foundation. All rights reserved. eBooks from World Library are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.