Adaptor

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Related to Adaptor: adapter, network adaptor

a·dapt·er

, adaptor (ă-dap'tĕr, -tōr),

1. A connecting part, joining two pieces of apparatus.

2. A converter of electric current to a desired form.

3. A single- or double-stranded digodeoxynucleotide used to join two incompatible ends of restriction fragments.

Adaptor

A short synthetic oligonucleotide which creates an internal restriction endonuclease site. Adaptors contain a restriction overhang that can be ligated to DNA fragments containing the complementary restriction overhang—one sticky end and one blunt end. After ligation, cutting with the appropriate restriction endonuclease will produce the overhang of choice; all adaptors are 5’ blunt-end phosphorylated.

a·dapt·er

, adaptor (ă-dap'tĕr, -tŏr)

1. A connecting part, joining two pieces of apparatus.

2. A converter of electric current to a desired form.

a·dapt·er

, adaptor (ă-dap'tĕr, -tŏr)

1. A connecting part, joining two pieces of apparatus.

2. A converter of electric current to a desired form.

3. A single- or double-stranded digodeoxynucleotide used to join two incompatible ends of restriction fragments.

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References in periodicals archive ?

* Non-Torque, Extended Range Pipe Tap Adaptor - permits use of larger pipe taps with smaller diameter holders in close center applications where a common holder is desired.

* Non-Torque, Adjustable Length Pipe Tap Adaptor - used where accurate pre-setting of tap (thread depth) is required.

* Collet-Style Tap Adaptor for Coolant - for use with through-coolant tapholders and coolant applications up to 500 psi.

In the rigid tapping version the tapholder can be used with the appropriate style tap adaptor and sealed collet to permit tapping with through-coolant.

There's a saying among fighter pilots that goes something like this: "Speed is life." A similar expression might be coined for the manufacturing industries, especially where complex, costly transfer lines are used, "Reliability is productivity." What good is the time saved with quick change tooling, whether they be drills or tapholders if the holders and adaptors are not reliable to begin with?

Whether it's a jobshop or an automaker's multimillion dollar transfer line, there will be machining centers, lathes, drill presses, and tapping machines that make extensive use quick-change toolholders and quick-change tap adaptors. Depending on the machine, manufacturing engineers can select from a wide range of tapholders and adaptors.

TM Smith Tool Int'l manufactures six different ball-drive tap adaptors for use with six different tap and toolholders.

Each of the six different tap adaptors, designed for different size taps, are retained and driven by the same Smith ball-drive system.