Type of shank in the knife.
The cod is the end of the blade of a white sword or knife weapon that allows and ensures the fixation of the handle in the handle.
The cod allows mechanical fastening through pins,screws, glue, threaded pins, knob or rebating against the handle itself, etc.
Its purpose is therefore to allow the mounting of the blade handle and each knife maker has its own taste or technical choice of realization.
The blade part of a knife opposite the tip;
In the Italian language, the word “codolo” used to indicate the handle of a fork and spoon.
There are several types that have been created to allow different types of assembly of the handle to use different materials and above all to create aesthetic motifs that allow to enhance the beauty of the blade or sword.
My advice is to use the appropriate cod based on the type of knife and its intended use.
- Full Tang – Integral Codolo
- Push Tang or Partial Tang – Partial Codo
- Encapsulated Tang – Encapsulated Codo
- Hidden Tang
- Stick and Rat-Tail Tangs
- Tapered Tang or Narrowing Tang
- Skeletonized Tang
- Extended Tang – Extended Codolo
The integral cod – Full tang
In the full tang or full-end cod version the width of the cod is equal to that of the blade on the back, and extends to the end of the knife;
The handle consists of cheeks riveted or fixed with screws plus glue.
This is the most durable configuration but also the one that gives the knife the most weight and that is why lightening punctures are sometimes inserted (which I personally do not like very much) or the tapering of the cod.
The tapering of the cod
To balance the knife and for aesthetic reasons you can also perform tapered tang, that is, reduce the thickness of the cod towards the end of the handle.
Loveless’s knives are also famous for this beautiful way of curing the knife cod.
The Exposed Codolo – Extended/Exposed tang
The cod can also escape from the handle profile, so that the exposed part can be used in hammer or glass crush modes.
The encapsulated cod – Encapsulated tang
It is a technological method that creates the handle by injecting polymer materials by printing the handle on the metal and in this case the cod is incorporated into the handle.
The Skeletal Cod – Skeletonized Tang
Some knives have a skeletal cod in which some portions of the codo are removed to reduce the weight of the knife.
Generally you see this configuration in the knives that are carried around the neck (neck knives).
The semi-integral – semi-full tang
The cod is visible along the upper side and the end of the handle, but is covered by the handle itself at the bottom where you grip with your fingers.
The aim is to decrease the weight of the knife and not to pull back the center of gravity too much, still allowing to maintain a high strength.
The Hidden Cod – Hidden Tang
This type of cod is used to hide the metal of the knife in the handle area.
This configuration in which the codo shrinks immediately after the collection, and is inserted completely into the handle.
The hidden cod can extend the length of the handle or be partial.
One way to create a hidden cod is to slide the cod through the handle so that it is level with the bolsters (or guard as appropriate) and seal with epoxy resin.
Another way is to make the cod a little longer and use a knob (or buttcap) to keep it in place by screwing it on the threaded cod (in the case of cods that extend the entire length).
The mousetail tail – Rat-tail Tang or Stick Tang
It is a type of extreme hidden cod where the codo has a very narrow width compared to the blade collection where in some cases they are added by welding steel threaded pins to the stump of the codo.
The cod is often attached to the handle with a threaded pin that is then smoothed or an aesthetic threaded knob.
They are not always straight but follow the curve of the handle, it depends on the design.
This type of hidden cod is the one in which the width gradually shrinks from the collection to the end.
I find it acceptable for a hidden cod even in terms of resistance
The Partial Cod – Partial Tang
In partial cod knives, essentially the cod essentially extends only for a stretch in the handle and fixed by rivets or resins or rivets . . . resins.
Depending on the extent of the tail we speak of half tang or three-quarter tang.
Used a lot in industrial knives for cost reasons but personally it’s something I don’t even take into account.
In terms of resistance, the integral cod has no comparison to the partial or hidden cod that is partial or passing.
Surely the construction techniques to make certain handles affect the cost of making the product.
The hidden cod is not comparable in terms of the strength of the handle of an integral cod.
In order to achieve good levels of resistance, it must be done with appropriate construction techniques and materials.
In terms of resistance, full-face cod knives have a full width identical to that of the recopaged blade in all critical areas of a knife.
If you look at the knife especially in the collection area where in the hidden codo knife the metal part of the handle is reduced as a size.
The cod that shrinks in thickness and size is:
- planted in the handle and stuck with the pin and glue
- it extends in some versions until you get to the end of the handle which is generally fixed by an aesthetic threaded pin or by a knob or in others partial for a stroke as you saw in the schemes.
Ps. The reduction of the cod was born in the past also for reasons related to the transmission of vibrations when the swords came into contact but on a knife this is irrelevant because the length of the blade and the type of use are different.
You need to think about the handle and its fixation according to the type of target use.
Always respect the knife
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