About 1,417,644 results (1,034 milliseconds)

CN100386162C - Technique for fabricating copper tube with fins of ...

https://patents.google.com/patent/CN100386162C/en
The present invention discloses a manufacturing technology for a copper tube with wings of high teeth. The technology process comprises the steps of rolling ...

Possible - Small transmitting loop made from Aluminium Foil

https://groups.google.com/g/rec.radio.amateur.antenna/c/x37EMBwh8tY
Does anyone have any comments on the following possibility? What would happen if instead of copper tubing, a wooden frame (or PVC pipe) was made on which ...

US5187203A - Non-corrosive elastomeric foam for insulating copper ...

https://patents.google.com/patent/US5187203A/en
... copper oxidation and eliminate or reduce stress corrosion in the copper tubing. The copper compatible, elastomeric foam insulation is made from a ...

US20110220237A1 - Bimetallic tube - Google Patents

https://patents.google.com/patent/US20110220237A1/en
Novel copper and steel composite pipe, manufacturing method, application and welded structure body. US20160362829A1 * 2015-06-09 2016-12-15 Lg Electronics ...

US20110005739A1 - Copper Alloy for Heat Exchanger Tube ...

https://patents.google.com/patent/US20110005739A1/en
Heat exchangers for air conditioners may be constructed of a U-shaped copper tube bent like a hairpin and fins made from aluminum or aluminum alloy plate. [0004].

CN1439465A - Thin-wall copper pipe manufactured by cold ...

https://patents.google.com/patent/CN1439465A/en
A thin-wall copper tube is made up by cold working technology and features use of continuous casting T 2 Or TP 2 The copper pipe blank is manufactured by a ...

Brazing VS Soldering copper gas pipes

https://groups.google.com/g/alt.home.repair/c/WKyL7-UsVxU
> need is a $10 gas flex pipe made for gas. You probably spent half > that amount just on the copper pipe and all the soldering, etc. > Now you are living ...

CN118912291B - Air conditioning branch pipe made of copper ...

https://patents.google.com/patent/CN118912291B/en
The invention relates to the technical field of air conditioner pipeline equipment, in particular to an air conditioner branch pipe manufactured based on copper ...

How much water in a copper tube?

https://groups.google.com/g/alt.home.repair/c/A78p98XCmJY
Mar 15, 2005 ... > I made up a little spread sheet. It assumes 1/32" wall on the pipe. Pipe is measured by ID, not OD. Tubing is measured by OD.

T&T: keel coolers

https://groups.google.com/g/trawlers-and-trawlering/c/D_R7QiqLA3Q
... tubing on a steel hull without at least insulating it from the hull either ... Scott et-all - well if the pipes are not copper then they are made of an

CN111804977B - Copper pipe pinch-off sealing device and method ...

https://patents.google.com/patent/CN111804977B/en
Among them, in the poisonous and harmful gas piping system, some pipes are made of red copper, and need to be pinched off for permanent sealing treatment, so ...

US8470100B2 - Copper alloys and heat exchanger tubes - Google ...

https://patents.google.com/patent/US8470100B2/en
Heat exchangers for air conditioners may be constructed of a U-shaped copper tube bent like a hairpin and fins made from aluminum or aluminum alloy plate.

US8336604B2 - Manufacturing method for a multi-channel copper ...

https://patents.google.com/patent/US8336604B2/en
This manufacturing apparatus for a multi-channel tube having a plurality of parallel channels includes: a crucible; and a die set for forming the ...

CN102581061A - Production method for seamless brass pipe ...

https://patents.google.com/patent/CN102581061A/en
2. the production method of seamless brass tube according to claim 1 is characterized in that: the gap between the dummy block in above-mentioned extrusion die ...

DE10107567A1 - Process for cold rolling seamless copper tubes ...

https://patents.google.com/patent/DE10107567A1/en
Such a manufacturing process for cold rolling copper pipes is in the Document US 4,876,870. It is a process for the production of pipes from non-ferrous metals, ...

US6434967B2 - Process for forming copper containing components ...

https://patents.google.com/patent/US6434967
Cooling of the water continues within the storage tank due to the adjacent refrigerant tubing. Some copper storage tanks have been manufactured in a manner that ...

WO2008072787A3 - Manufacturing method for a multi-channel ...

https://patents.google.com/patent/WO2008072787A3/ko
... Manufacturing method for multi-channel copper tube,and manufacturing apparatus for the tube. US13/678,986 2006-12-14 2012-11-16 Manufacturing method for a ...

Flex dryer vent hose loop antenna

https://groups.google.com/g/rec.radio.amateur.antenna/c/1aePTCY6JJo
> I once had a 6 or 7 turn loop made with 1/4" copper tubing*, Q was about > 800 at 1MHz. I could have made it with 1/2" tubing, probably would have > had ...

CN102284549A - Manufacturing method of aluminum-clad copper ...

https://patents.google.com/patent/CN102284549A/en
The invention provides a manufacturing method of an aluminum-clad copper pipe having metallurgical bonding, which comprises the following steps that: A, ...

5/8" copper plumbing?

https://groups.google.com/g/alt.home.repair/c/i_L3hIAMoMY
5/8" copper pipe nominal size has a 3/4" O.D. This pipe may be hard to find in plumbing supplies, but I believe it is still made. Try www.copper.org. Be ...