Method and machine for generating packages from a continuous film. In the method, the quality of the seals formed when generating packages on the film is furthermore verified, and to that end, a chamber is closed around an area of a film tube comprising an actuation area, a transverse cut and a transverse seal on each side of the transverse cut being generated in the actuation area. For the verification, pressure in the chamber is reduced, a property of the fluid present in the chamber or in the part of the tube present in the chamber is detected, and the quality of at least one of the seals present in the chamber is determined depending on the detection.

The present disclosure provides a double-vacuum four-cavity hermeticity detecting method and machine for a square housing battery. The method may include a loading device, four cavity devices, four cavity cover devices, four load transferring devices, two vacuum devices, a detecting device, and a discharging device, the cavity devices and the cavity cover devices may make a sealed cavity, and each of the vacuum devices predetermine two sealed cavities. While operating at the same time, four sealed cavities may be loaded for 8 s, vacuumed for 10 s and detected for a hermeticity for 5 s in a total of 15 s, and discharged for 8 s, a cycle time may be shortened to 8 s and a production period may be shortened to 32 s, and a productivity of a hermeticity detection may be improved to 15 PPM according to two batteries per cavity.

A method for leak detection of a test specimen includes providing an evacuable film test chamber which is operatively coupled to a pressure measuring device, and at least one processor operatively coupled to the pressure measuring device; measuring a pressure within the evacuable film test chamber by the pressure measuring device at predetermined times during a measurement period of time; calculating by the processor, a first or higher order derivative of a pressure change with respect to time at a first predetermined time, and a first or higher order derivative of a pressure change with respect to time at least at a second predetermined time during the measurement period of time, to provide at least a pair of derivative values; and categorizing by the processor a leaky or tight state of the specimen under test by a pattern recognition process based on the pair of derivative values.

An inspection device and method for testing and inspecting integrity of a container (200) is disclosed. The inspection device has an angled member (102) and a viewing member (104) secured to the angled member. Together, the angled and viewing members are configured to hold a container to be analyzed. The inspection device also includes a cradle (106) secured to the angled member, the cradle including a cavity (108) configured to hold the angled member at an angle. The inspection device also includes a light source holder (110) secured to the viewing member, a leg member (112) extending from the light source holder, and at least one light source (114) extending through the light source holder. The light source has a first end extending outwardly from the light source holder and a second end extending within the light source holder from which light projects. The light from the light source is projected toward the viewing member. The viewing member includes at least one viewing window (105). A lens is located between the second end of the light source and the viewing member, and a filter is located between the lens and the viewing member.

Disclosed are a helium detection device and a helium detection equipment. The helium detection device includes a helium injection mechanism, a replacing mechanism and a finger-clamp mechanism, a sealing nozzle can be plugged into one end of a helium injection tube of the helium injection mechanism, and the finger-clamp mechanism includes a clamping assembly capable of clamping or releasing the sealing nozzle.

A leakage inspection method and leakage inspection device for container to be inspected are provided. When a container to be inspected having a deformable flexible part is to be inspected for leakage, the container to be inspected is filled with an inspection gas containing helium, the container to be inspected, which has been filled with the inspection gas, is disposed in an inspection chamber partitioned from the outside, and an upward flow of a carrier gas is formed from the lower part to the upper part of the container to be inspected. A leakage of the inspection gas filled in the container to be inspected is then detected on the basis of the result of measuring the concentration of helium in the carrier gas collected at a position higher than a position where the carrier gas is fed into the inspection chamber.

The present invention relates to a flow wrapper which comprises a form and/or film tube, which forms the planar film into a film tube and/or fills the film tube with a packaging item and which comprises means to provide a longitudinal- and/or cross-seal to the film tube.

A method for detecting a leak in a test object, including inserting the test object into a test chamber; filling the test object with a test gas; and adjusting a pressure in the test chamber and a pressure in the test object such that the test chamber pressure is lower than the test object pressure. The test chamber contains air and the test object is filled exclusively with a gas containing no molecules with oxygen atoms. In order to detect a leak in the test object, an oxygen proportion of the air in the test chamber is measured with an oxygen sensor.

A method and system is disclosed for determining the integrity of a closed container. The method and system includes the steps of positioning the container in a surrounding, changing a gas pressure, a gas composition, a gas concentration, or any combination of gas pressure, gas concentration and gas composition, in the surrounding. Thereafter subjecting the container to an optical sensor, non-intrusively, the sensor being sensitive to at least one gas, and the sensor is configured for detecting the at least one gas inside the container. Reading a signal from the optical sensor related to a gas pressure, a gas concentration, a gas composition, or any combination of gas pressure, gas concentration, and gas composition, inside the container. The behavior of the signal being indicative of breach in integrity of the container.

A method for conducting an integrity test on a flexible test container (1) includes arranging the test container (1) in an examination container (5) that is sealable in a fluid-tight manner, providing negative pressure in the interior of the sealed examination container (5), filling examination fluid into the test container (1) arranged in the examination container (5), detecting examination fluid present in the interior of the examination container (5), and providing negative pressure in the test container (1) arranged in the examination container (5) prior to filling the examination fluid. Prior to filling the examination fluid, the negative pressure in the test container (1) is lower than the negative pressure in the interior of the examination container (5), and the pressure difference between the negative pressure in the test container (1) and the negative pressure in the interior of the sealed examination container (5) is more than 0 mbar and a maximum of 100 mbar.