Sealing Device For Doors: Varieties And Application Features

2024 Author: Bailey Albertson | [email protected]. Last modified: 2023-12-17 12:53

Sealing devices for doors: varieties and application features

The need to hide any secret and necessary information from prying eyes, as well as to protect valuable things and property from encroachment has always existed. Over the centuries, mankind has invented a lot of devices that allow you to reliably and not very safe to keep various values. These include sealing devices.

Content

• 1 Why do you need a door seal

• 2 Types of sealing systems for doors

  • 2.1 Rod seals

  • 2.2 Flag Sealing Devices

    2.2.1 Video: Using the Flap Sealer with Flag

  • 2.3 Sealing system for twine or sealing thread
  • 2.4 Screw sealing device
  • 2.5 Locking device for sealing "peephole"

  • 2.6 Hanging dies

    2.6.1 Video: Sealing with a wooden strip

  • 2.7 Hanging system for sealing safe equipment
• 3 Consumer feedback on sealing devices

Why do you need a door seal

But, as the centuries-old practice has shown, it is not enough to securely lock the lock. There are always craftsmen who are capable of competently opening any locking device, no matter how reliable and perfect it may seem, without leaving absolutely no traces. Effective and successful disclosure of a committed crime often directly depends on how quickly the very fact of encroachment on someone else's property is discovered. Therefore, an additional sealing device has appeared, which allows you to timely identify even a simple hacking or penetration attempt.

When solving a crime, it is extremely important to know exactly when it was committed

Varieties of sealing systems for doors

A door device for sealing or sealing is a kind of mechanism that can prevent unauthorized and inconspicuous entry into any room in order to access important documents, valuables or money. The object of protection can be a door to an office or an office, a showcase, a key tube, a cash register, collection bags, a wardrobe, keyholes, etc.

You can seal the door not only with paper, for this there are special devices

Such devices are relatively inexpensive, but their efficiency and reliability are extremely high. As a rule, the sealing device is permanently attached to the surface of the protected object. There are several types of this type of additional security devices.

Rod seals

The rod-type sealing device works on the principle of a sliding latch and can be used on door structures with canvases that open in any direction, but where the door itself is decently recessed into the opening. The device is a round cup made of plastic, brass or aluminum with a radial groove drilled in the plane into which a movable brass pin (stem) is inserted.

The stem sealing device works like a latch

To increase reliability, the rod is additionally pressed inside the body so that it does not leave its place, being in extreme positions. To facilitate the sliding process, there is a small handle installed perpendicular to the axis of the main pin. The device is mounted directly on the door leaf, while a special hole is made in the jamb for the stem to enter.

The sealing mechanism is extremely simple:

1. The body of the device (cup) is fixed to the door leaf using self-tapping screws (two or four).
2. The door is closed.
3. Push the rod into the hole made in the jamb.
4. A filling material (most often ordinary plasticine) is placed in the cup.
5. An impression is made with a metal sealant.

The stem sealing device is installed only where the door is recessed

With any attempt to open or even slightly open the door, the rod moves, thereby violating the integrity of the delivered print.

Flag Sealing Devices

A type of rod device is a device with a folding rod or a flag. Structurally, it differs little from the previous type. The only difference is that the locking rod does not extend, but leans back, turning up to 90 °. A special narrow groove has been made in the cup, into which the folding pin is laid. On the opposite side of the case, it has a movable mount.

As a flag made of duralumin or brass, the following can be used:

• straight flat bar;
• curved plate;
• hollow cylinder;
• kernel;
• complex spatial structures (made of steel wire).

In the flag sealing device, the tilt-back stem

The main condition for using a flag sealing system is that the door frame and the swing leaf are in the same plane. In this case, the location of the mechanism depends on the type of door leaf opening. The cup-body can be mounted both on the jamb (outward opening) and on the door leaf (inward opening). The door should close tightly, without free play and not staggering in the opening.

The filling procedure consists of the following steps:

1. The product is screwed onto a canvas or jamb.
2. The door is locked.
3. Lower the flag, fixing it in a special groove on the cup.
4. Cover the area on the body with plasticine mastic.
5. Make an impression with a seal.

The flip-up flag immediately damages the plasticine seal

The flag sealing device is sensitive. Even a slight movement of the door leaf leads to the folding of the movable strip and destruction of the print surface.

Video: Using the Flap Sealer with Flag

Sealing system for twine or sealing thread

The set of the sealing device using a thread or twine includes two identical round dies of plastic, alloy or aluminum, each of which has two fastening holes and a slot in the middle for pulling the control thread.

The sealing algorithm is as follows:

1. The cups are fixed with self-tapping screws on the sash and door frame.
2. The door is brought to a closed position.
3. Twine or a special harsh thread is laid in the slots in the dies and pulled between them.
4. Heated mastic is placed in the cases.
5. Place stamps in both cups with a sealant.

The filament sealing device is simple

When the door leaf is opened, the twine is pulled or pulled out from under the plasticine seal, which cannot be restored to its original appearance. The test thread may break or sag. All this will indicate an attempt to unauthorized entry into the protected premises. Thread devices are the simplest burglary identifiers used for sealing.

When sealing with the device under the thread, only one die can be used

Screw sealing device

Sealing cups for screws are used to seal cash registers, as well as various counters and metering devices. They are in demand at catering enterprises, in trade and metrology. Made of heavy-duty galvanized steel, the bowl has only one fastening hole for the screw, so it can be easily hidden in the interior of the protected object. The sizes of this device vary.

Screw sealing cups are quick and easy to install

The device is fastened manually, while the screw is tightened until it stops. Then the bowl is filled with a filling compound and an impression is made using a sealant. When trying to open the device, an attacker will have to clean the device from plasticine, violating the integrity of the print.

Locking device for sealing "eye" type

To protect the keyhole from the encroachment of unauthorized persons, the "eye" sealing device will help, which consists of two aluminum discs fastened together with a diameter of about 5 cm. The lower part looks like a flat ring and is attached directly around the keyhole, it does not interfere with the lock closing. The upper movable cover covers the key holes and prevents burglary or clogging with foreign objects. The sliding disc has a thread insertion groove.

The keyhole is sealed with a peephole device

The sealing is carried out as follows:

1. Using a screwdriver or a screwdriver, screw the product with two screws or self-tapping screws to the door leaf, eliminating the possibility of inconspicuous dismantling.
2. The door is closed and locked with a key.
3. Slide the top cover of the device.
4. Pull a thin wire or thread through the eyelet located on the lower fixed plate, then lay it in the groove on the cover.
5. Cover the free space on the disk with plasticine.
6. They put an impression with a metal seal.

Disruption of printing is immediately noticeable when sliding the disc

The integrity of the impression is very easily broken even with a slight shift of the upper disc.

Hanging dies

The most inexpensive and economical way to seal a safe or room is to use hanging dies. Simple products have a rounded semi-oval shape and are most often made of plastic or wood (less often aluminum). On the outer side of the die, there is a round groove, a groove and two holes for a sealing thread. There can be several internal slots (recesses) for delivery of seals by different persons.

Hanging dies are most often made of plastic

The object to be sealed must have two eyes. In the case of a door, one of them is located directly on the door leaf, and the other on the frame. Then they act like this:

1. The door is closed tightly.
2. Thread a thread or wire alternately through both eyes.
3. Then the ends are brought into the holes on the product itself.
4. A thread is laid in the groove.
5. The recess is filled with a filling paste.
6. Carry out a stamp impression.

Suspended lip secures two lugs

Ordinary people use a sealing device even easier and much cheaper, one might say, almost free. To do this, a simple paper strip is glued to the closed door in the area of the lock. When the sash is opened, it naturally breaks. In our entrance, the neighbors' apartment was sealed like this after the fire. Since the police did it, several seals were stamped on the paper in blue ink, it was written "sealed" and was dated.

Video: sealing with a wooden die

Hanging system for sealing safe equipment

A more complex and expensive modification of hanging dies is a device for sealing safes. Hanging seals are made of metal and are rectangular, disc or trapezoidal. Instead of an unreliable thread, a steel jumper is used with a flag rigidly connected to it. At the same time, this device also plays a locking role, visually it is very reminiscent of a small padlock.

The seal device for safes looks like a padlock

The safe system is installed as follows:

1. The safe door is slammed shut.
2. A jumper is threaded through both safety eyes.
3. The device is locked.
4. A layer of plasticine mass is applied to the moving part.
5. Seal with an engraved seal, putting an imprint on plasticine.

The sealing device for safes also performs a locking role

When the sealing mechanism is opened, the retractable jumper will inevitably spoil the left seal, on which the slightest violations of the print are immediately noticeable. Identifying a breach is easy.

There are special stickers for sealing

Consumer feedback on sealing devices

Even the simplest sealing system provides a sufficiently reliable protection against unauthorized entry. The industry produces products for sealing of various shapes and types. The offered assortment allows you to choose a sealing device for any needs and occasions.