Muffle

Muffle

A muffle furnace is (usually) a front-loading box-type oven or kiln for high-temperature applications such as fusing glass, creating enamel coatings and ceramics. They are also used in many research facilities, for example by chemists in order to bake the moisture out of a sample to ensure it is completely dry.

The term muffle furnace may also be used to describe another oven constructed on many of the same principles as the box type kiln mentioned above, but takes the form of a long, wide, and thin hollow tube used in roll to roll manufacturing processes. These furnaces allow for uninterrupted processing of materials or products in a controlled environment.

Both of the above mentioned furnaces are usually heated to desired temperatures by conduction, convection, or blackbody radiation from electrical resistance heating elements. Therefore there is (usually) no combustion involved in the temperature control of the system, which allows for much greater control of temperature uniformity.


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  • Muffle — Muf fle, v. t. [imp. & p. p. {Muffled}; p. pr. & vb. n. {Muffling}.] [Cf. F. moufle a mitten, LL. muffula, OD. moffel a muff. See {Muff}.] 1. To wrap up in something that conceals or protects; to wrap, as the face and neck, in thick and… …   The Collaborative International Dictionary of English

  • Muffle — Muf fle, n. [F. moufle, prop., a mitten, from the resemblance in shape. See {Muffle}, v. t., {Muff}.] 1. Anything with which another thing, as an oar or drum, is muffled; also, a boxing glove; a muff. [1913 Webster] 2. (Metal.) An earthenware… …   The Collaborative International Dictionary of English

  • Muffle — Muf fle (m[u^]f f l), n. The bare end of the nose between the nostrils; used esp. of ruminants. [1913 Webster] …   The Collaborative International Dictionary of English

  • Muffle — Muf fle, v. i. [Cf. F. maffle, mumble, D. moffelen.] To speak indistinctly, or without clear articulation. [1913 Webster] …   The Collaborative International Dictionary of English

  • muffle — index cloak, disguise, repress, shroud, stifle, subdue, suppress Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • muffle — [v] suppress, make quiet conceal, cover, cushion, dampen, deaden, decrease, drown, dull, envelop, gag, hide, hush, mellow, mute, muzzle, put the lid on*, quieten, shut down, silence, sit down on*, smother, soften, softpedal*, squelch, stifle,… …   New thesaurus

  • muffle — ► VERB 1) wrap or cover for warmth. 2) make (a sound) quieter or less distinct by covering its source. ORIGIN from Old French moufle thick glove …   English terms dictionary

  • muffle — [muf′əl] vt. muffled, muffling [ME muflen, prob. akin to OFr enmouflé, muffled < moufle, a mitten: see MUFF] 1. to wrap up in a shawl, blanket, cloak, etc. so as to hide, keep warm, or protect 2. Now Rare to keep (a person) from seeing or… …   English World dictionary

  • muffle — {{11}}muffle (n.) thing that muffles, 1560s, from MUFFLE (Cf. muffle) (v.). {{12}}muffle (v.) early 15c., to cover or wrap (something) to conceal or protect, perhaps from M.Fr. mofler to stuff, from O.Fr. moufle thick glove, muff (Cf. O.Fr.… …   Etymology dictionary

  • muffle — /ˈmʌfəl / (say mufuhl) verb (t) (muffled, muffling) 1. Also, muffle up. to wrap or envelop in a cloak, shawl, scarf, or the like disposed about the person, especially about the face and neck. 2. to wrap with something to deaden or prevent sound:… …  

  • muffle — muffle1 /muf euhl/, v., muffled, muffling, n. v.t. 1. to wrap with something to deaden or prevent sound: to muffle drums. 2. to deaden (sound) by wrappings or other means. 3. to wrap or envelop in a cloak, shawl, coat, etc., esp. to keep warm or… …   Universalium

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