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3 results about "Stretch wrap" patented technology

Stretch wrap or stretch film is a highly stretchable plastic film that is wrapped around items. The elastic recovery keeps the items tightly bound. In contrast, shrink wrap is applied loosely around an item and shrinks tightly with heat.

Film free end control apparatus and method for a stretch wrapping machine

PendingUS20260152309A1Wrapping material feeding apparatusPrestretching mechanismMembrane tensionStretch wrap
An apparatus and method for stretch wrapping of a palletized load uses film tension feedback derived from a film tension control load cell to control film dispensation. The load cell measures film tension and the film payout rates is determined by the film tension. Film tension values are used to determine when an out of bounds condition occurs, namely, when a film break has occurred, or when a possible film break is about to occur or when the film has been cut at the end of a wrapping cycle. To prevent film free end entanglement caused by a break, clamps engage the film so the film tail is controlled, eliminating the risk of recoil. The broken film tail may then be quickly and reliably reattached to the rotating load in a desired position.
Owner:TOP TIER LLC

Stretch wrap packaging machine

ActiveCN118306645BAdhesive beltStretch wrap
The application discloses a wrapping film packaging machine, which comprises a supporting conveying mechanism, a wrapping packaging mechanism and a film end adhering mechanism.The supporting conveying mechanism is used for supporting and conveying tires.The wrapping packaging mechanism is used for wrapping a wrapping film on the tires.The film end adhering mechanism is used for adhering a tape to the end of the wrapping film on the wrapping packaging mechanism and fixing the tape on the tires.The film end adhering mechanism comprises a wrapping film cutting assembly, a tape feeding assembly and a tape adhering assembly.The tape feeding assembly and the tape adhering assembly are arranged, so that the end of the wrapping film can be adhered to the tires by the tape, and the end of the wrapping film does not need to be fixed manually, so that the tire packaging operation is more convenient and fast.
Owner:青岛胜迈自动化科技有限公司