tack weld - meaning and definition. What is tack weld
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What (who) is tack weld - definition

JB Weld; Jb weld; J b weld; J&B Weld

Tack         
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CLADE OF ARCHAEA
Eocyta; Bathyarchaeota; Geoarchaeota; Filarchaeota; TACK group; Bathyarchaeia
·noun A stain; a tache.
II. Tack ·vt To fasten or attach.
III. Tack ·vt Confidence; reliance.
IV. Tack ·noun A peculiar flavor or taint; as, a musty tack.
V. Tack ·noun A small, short, sharp-pointed nail, usually having a broad, flat head.
VI. Tack ·noun That which is attached; a supplement; an appendix. ·see Tack, ·vt, 3.
VII. Tack ·vt A contract by which the use of a thing is set, or let, for hire; a lease.
VIII. Tack ·vt In parliamentary usage, to add (a supplement) to a bill; to Append;
- often with on or to.
IX. Tack ·vt The part of a sail to which the tack is usually fastened; the foremost lower corner of fore-and-aft sails, as of schooners (see ·Illust. of Sail).
X. Tack ·vt To change the direction of (a vessel) when sailing closehauled, by putting the helm alee and shifting the tacks and sails so that she will proceed to windward nearly at right angles to her former course.
XI. Tack ·vi To change the direction of a vessel by shifting the position of the helm and sails; also (as said of a vessel), to have her direction changed through the shifting of the helm and sails. ·see Tack, ·vt, 4.
XII. Tack ·vt A rope used to hold in place the foremost lower corners of the courses when the vessel is closehauled (see ·Illust. of Ship); also, a rope employed to pull the lower corner of a studding sail to the boom.
XIII. Tack ·vt The direction of a vessel in regard to the trim of her sails; as, the starboard tack, or port tack;
- the former when she is closehauled with the wind on her starboard side; hence, the run of a vessel on one tack; also, a change of direction.
XIV. Tack ·vt Especially, to attach or secure in a slight or hasty manner, as by stitching or nailing; as, to tack together the sheets of a book; to tack one piece of cloth to another; to tack on a board or shingle; to tack one piece of metal to another by drops of solder.
tack         
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CLADE OF ARCHAEA
Eocyta; Bathyarchaeota; Geoarchaeota; Filarchaeota; TACK group; Bathyarchaeia
tack1
¦ noun
1. a small, sharp broad-headed nail.
N. Amer. a drawing pin.
2. a long stitch used to fasten fabrics together temporarily, prior to permanent sewing.
3. a course of action: there is no reason for them to change tack now.
4. Sailing an act of tacking.
a boat's course relative to the direction of the wind.
5. Sailing a rope for securing the corner of certain sails.
the corner to which such a rope is fastened.
6. the quality of being sticky.
¦ verb
1. fasten or fix with tacks or with temporary long stitches.
2. (tack something on) add something to something already existing.
3. Sailing change course by turning a boat's head into and through the wind.
make a series of such changes of course while sailing.
Derivatives
tacker noun
Origin
ME: prob. related to OFr. tache 'clasp, large nail'.
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tack2
¦ noun equipment used in horse riding, including the saddle and bridle.
Origin
C18 (in the sense 'apparatus, equipment'): contr. of tackle.
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tack3
¦ noun informal cheap, shoddy, or tasteless material.
Origin
1980s: back-form. from tacky2.
Grand tack hypothesis         
  • [[Jupiter]] might have shaped the [[Solar System]] on its grand tack
IN THE EARLY DAYS OF THE SOLAR SYSTEM, JUPITER MOVED INWARD THEN REVERSED COURSE ("TACKED") TO ITS CURRENT ORBIT.
Grand Track Hypothesis; Grand Tack scenario; Grand Tack Scenario; Grand Tack; Grand Tack Hypothesis
In planetary astronomy, the grand tack hypothesis proposes that Jupiter formed at 3.5 AU, then migrated inward to 1.

Wikipedia

J-B Weld

The J-B Weld Company is an international company that produces epoxy products. The home office is based in Sulphur Springs, Texas. J-B Weld (stylized as J-B WELD) is the name of their flagship product: a specialized, high-temperature epoxy adhesive for use in bonding materials together. The company has run advertisements showing engine block repair with J-B Weld.

The J-B Weld Company, founded in 1969 by Sam Bonham in Sulphur Springs, Texas, specializes in epoxy products. Initially, the company sold to automotive shops in Texas, but now distributes its products across the United States and in 27 other countries through various retail channels. After being purchased by private investors in 2008, the company expanded its product line, which originally included J-B Weld, J-B Kwik, J-B Stik, and Waterweld.

J-B Weld epoxy is a two-part adhesive that can bond various surfaces and withstand high temperatures up to 500 °F (260 °C) constantly and 600 °F (316 °C) for short periods. It is water-resistant, petroleum/chemical-resistant, acid-resistant, and resists shock, vibration, and temperature fluctuations. The product consists of a resin and a hardener that need to be mixed before application. The mixture sets in 4-6 hours and fully cures in up to 15 hours. It can be used as an adhesive, laminate, plug, filler, sealant, or electrical insulator and can be drilled, ground, tapped, machined, sanded, and painted when cured.

J-B Kwik is a faster-curing two-part epoxy with medium-temperature resistance up to 300 °F (149 °C). Although not as strong or heat-resistant as J-B Weld, it has the same adhesion and does not shrink when hardening. J-B Kwik is waterproof, petroleum/chemical-resistant, acid-resistant, and resists shock, vibration, and extreme temperature fluctuations.