B31B70/642

SYSTEMS AND METHODS FOR PACKAGING INSTRUMENTS OR OTHER ITEMS WITH BAG MAKING FEATURES
20210316523 · 2021-10-14 ·

A bagmaker interoperable with an item processor is disclosed, the bagmaker being configured to produce bags for packaging items for sterilization, such as medical instruments. The bagmaker may include a controller interoperable with a bag production device, the bag production device including a bag cutter and a heat sealer, such that tubing may be sealed and cut, such that a bag of a specified length is formed. Operation of the bagmaker may include identifying tubing corresponding to a bag width of the bag, advancing tubing to correspond with the length of the bag, sealing at least a first end of the tubing, and then advancing and cutting the tubing; ejecting the bag from the bagmaker and retracting remaining uncut tubing, wherein the retraction and ejection may occur contemporaneously or interchangeably in order.

Flexible package-forming machine for horizontal packaging by means of folding and welding a flexible band and method
11135800 · 2021-10-05 ·

A machine comprising: a flexible band (1) unwinding unit (11), a flexible band (1) folding unit (14), a drive unit (31) for moving the flexible band (1) in a forward movement direction (DA), a welding unit (16) and a laser beam cutting unit (53) for separating each individual flexible package from the flexible band (1) and for providing a fill opening in each flexible package by at least one fill opening cut, the laser beam cutting unit (53) having associated therewith a separator device, movable in a vertical direction and including an insertable separator element (41), interposed between the opposite faces of the folded flexible band (1), in an area adjacent to the fill opening (3), for separating the opposite faces of the flexible band (1) during cutting operations to prevent the fusion thereof.

Production method for pleated film, and production method of pleated packaging body
11135801 · 2021-10-05 · ·

A production method for a pleated film according to the present invention includes an introduction step for moving an elongated film for use as a packaging body and introducing the film into a gap between a pair of pleat-forming plates disposed with a gap therebetween so that respective inner surfaces of the film oppose each other, a fixing step for fixing the film to the pair of pleat-forming plates, and a step for forming a pleat extending in a latitudinal direction of the film by closing the gap between the pair of pleat-forming plates, wherein sealing bars are provided on the pair of pleat-forming plates on opposing surfaces of the pleat-forming plates.

METHOD OF PRODUCTION OF FABRIC BAGS OR CONTAINERS USING HEAT FUSED SEAMS
20210284392 · 2021-09-16 · ·

A method of producing flexible polypropylene fabric bags with heat fused seams comprising providing fabric pieces, wherein each fabric piece has a coated side and an uncoated side; positioning fabric pieces so that a coated side of one fabric piece faces a coated side of another fabric piece; selecting an area of fabric to be joined for forming a seam or joint; applying heat to the area to be joined that is less than the melting point of the fabrics, for forming one or more seams or joints and wherein the heat fused seams or joints of a resulting polypropylene bag retains at least 85% of the fabric strength without using sewing machines.

Apparatus and method for filling a pouch type package
11052629 · 2021-07-06 · ·

An apparatus for filling a pouch type package with a liquid product, comprising a plurality of stations arranged to consecutively receive and handle the pouch type package, the plurality of stations comprising a filling station for filling the product compartment with the liquid product, a sealing station for sealing the product compartment and comprising a first sealing member arranged to provide the pouch type package with a first seal closing the filling duct, a gas filling station arranged to introduce gas into the handle compartment, and a transfer unit comprising a gripping member for retrieving the package from the gas filling station and transferring it to a neighboring down-stream situated station. A gas sealing unit (36) integrated in the gripping member of the transfer unit, the gas sealing unit (36) comprising a second sealing member (37) arranged to provide the pouch type package with a second seal entrapping gas introduced into the handle compartment. The invention also relates to a method for filling a pouch type package.

Spout mounting method
11072476 · 2021-07-27 · ·

A spout is mounted on a plastic film being longitudinally and intermittently fed. The plastic film is punched by a punch blade to form an aperture. A carriage is moved for a distance corresponding to a space between the punch blade and a seal head and between a punch receiver and a seal receiver. The spout is inserted into the aperture. The spout and the plastic film are heat sealed with each other by the seal head.

Bag making machine and method for making plastic bag
11090897 · 2021-08-17 · ·

A web of first or second material is provided with the spout, and a plastic bag is made from side gusset materials in addition to webs of the first and second materials. An aperture is formed in the web of the first or second panel material, and the spout is inserted into and positioned with the aperture, whenever the webs of the first and second panel materials are fed intermittently. After the webs of the first and second panel materials are superposed on each other, whenever the webs of the first and second panel materials are fed intermittently, the webs of the first and second panel materials are heat sealed with each other in a longitudinal direction thereof by a longitudinal seal device, and the webs of the first and second panel materials are heat sealed with the side gusset materials in a width direction thereof by a cross seal device.

DEVICE AND METHOD FOR PRODUCING AT LEAST ONE EMPTY OPEN BAG
20210237388 · 2021-08-05 ·

Apparatus for manufacturing an open-mouth bag of at least one layer of a flexible bag material, and method of manufacturing a bag by such apparatus. The apparatus includes a shaping device with a shaping box in the contour of the bag shape to be formed, with a top end and a bottom end, a conveying device for transporting the bag material along the shaping box, a closing device for joining the bag material along the shaping box to form a tube, and a closing station for generating a bag bottom, which is disposed beneath the bottom end of the shaping box. A partial vacuum device is configured to generate intermittently, a partial vacuum. When manufacturing a bag, the bag material is draped around the shaping box in the contour of the bag shape to be formed as continuous material and is joined to form a tube by the closing device.

DISPOSABLE BIOPROCESS BAG, MANUFACTURING METHOD THEREFOR, HOT-MELT ANNULAR WELDING MACHINE
20210229373 · 2021-07-29 ·

The present invention provides a disposable bioprocess bag, a manufacturing method therefor and a hot-melt annular welding machine, relating to the technical field of biopharmaceutics. The manufacturing method comprises: preparing a first cropping template to a fourth cropping template according to a top, an upper portion, a lower portion and a bottom of a bioreactor; cropping a raw material film according to the first cropping template to the fourth cropping template to obtain a first membrane material to a fourth membrane material, wherein the fourth membrane material directly serves as a rounded bottom; welding at least two pockets on the first membrane material to obtain a rounded top; welding the second membrane material to obtain a cylindrical upper portion; welding the third membrane material to obtain a lower portion in the shape of an inverted rounded truncated cone; and welding, using a hot-melt annular welding machine, the rounded top, the cylindrical upper part, the lower portion in the shape of an inverted rounded truncated cone and the rounded bottom, to obtain a disposable bioprocess bag. According to the present invention, the physical properties of the welded edge of the disposable bioprocess bag are improved, and the fit of the disposable bioprocess bag to the bioreactor are also enhanced.

BAG MAKING MACHINES AND METHODS THEREOF

A machine for processing a web of material into bags includes several sections for processing the web of material into bags. An input section is configured to receive a roll of the web of material, a sealing section is configured to form seals in the web of material, and a winder section configured to wind the bags into rolls of bags may be included. A bander section configured to band each roll of bags may be included. A hem forming section configured to form a hem in the web of material may be included. A draw tape unwind station for unwinding draw tape for bags may be included. Related methods are further disclosed.