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SMART PRODUCTION

ตามส่วนโค้งเว้าของขวดหรือบรรจุภัณฑ์ หรือหากต้องการหุ้มบรรจุภัณฑ์ทั้งหมด บรรจุภัณฑ์แบบแข็ง เมื่อสวมลงไปแล้วฉลากก็จะรัดแนบรูปทรงของบรรจุภัณฑ์
ด้วยฟิล์มหดรัดเพื่อป้องกันการแกะก็สามารถท�าได้เช่นกัน ฉลากประเภทนี้นิยมใช้ โดยไม่จ�าเป็นต้องอาศัยความร้อน ฉลากประเภทนี้นิยมใช้กับภาชนะที่มี
กับภาชนะที่มีรูปร่างโค้งเว้า เช่น บรรจุภัณฑ์น�้าอัดลมหรือน�้าหวาน เครื่องส�าอาง ด้านข้างเป็นเส้นตรง เหมาะส�าหรับสินค้าประเภทเครื่องดื่มน�้าอัดลมหรือ
และอุปกรณ์อาบน�้าต่างๆ เป็นต้น น�้าหวาน เครื่องส�าอาง อุปกรณ์อาบน�้า และผลิตภัณฑ์ที่ใช้ในบ้าน
• เครื่องสวมฉลากฟิล์มยืด (Stretch Sleeving Machines) เป็นเครื่อง
ที่ใช้ยืดฟิล์มแบบมีหรือไม่มีลวดลายเพื่อสวมครอบบริเวณคอหรือล�าตัวของ

Labelling machines apply labels
and decoration onto all types of
Labelling Equipment packaging containers, display,

point-of-sale and transit packs.
and Labelling Machines

Labels are used on every kind of product to brand, decorate or provide These machines usually apply labels from a stack to rigid
information for the consumer. Many labels do all three functions and can containers such as beer or spirit bottles at very high speeds.
contain, for example, pre-printed bar codes supplying, batch, stock and price The machines are particularly suitable for wet environments
information to the retailer and consumer. such as liquid filling of beverages where they continue to be the
Other machines provide print on demand and weigh/price labels, usually predominant application method. Often the labels are highly
for fresh or perishable products where the weight of item varies from pack to decorative and can be embossed and cut into complex shapes,
pack or for transit purposes. Many of these labels are printed and applied in or are applied to difficult container shapes. Often more than one
the store or warehouse. label is applied to one container, requiring several applicators.
Labels are also used to provide protection against tampering (tamper Since the 1960s Pressure Sensitive labels have become more
evident) to ensure the product reaches the consumer without interference popular for most other types of application and today are used
and unopened. extensively in the beverage sector.
Sleevers or sleeving equipment that apply a sleeve of thermoformable or • Hot Melt Label Applicators Machines which apply labels
stretch material to the neck or body of the container, are generally used to using adhesive which is solid at room temperature. This is a variant
apply tamper evident labels. Shrink sleeve labels are also used on products on the Wet Glue Labeller where different types of adhesive are
which do not have surfaces suitable for a conventional label. heated to a liquid state prior to application. The adhesive may vary
A growing market is security labelling to counter fraud and theft, and give due to the product, packaging material or external conditions in
brand protection and authentication. These include RFID and smart labels, the packaging area. This type of applicator is for example used
holographic labels, tamper evidence, counterfeit deterrence and source for Wraparound labels that cover most of a container body and
tagging. Other machines are used to apply Leaflet labels – multi-page labels wall surface.
that provide space for large amounts of consumer information e.g. in • Pre-Gummed Label Applicators Machines which apply
pharmaceutical applications. labels which are pre-coated with glue. The gum label is passed
Other types of labelling include in-mould labelling a technique that applies through a water reservoir or sprayed with water to make the
labels to blown bottles, injection moulded containers, and thermoform fill seal adhesive stick. These machines are not now commonly in use.
machines for yoghurt pots as they are formed on equipment.
There are two principal types of labelling machine: Wet Glue and pressure Pressure Sensitive - Self Adhesive Label
Sensitive (Self Adhesive) applicators. Applicators
Pre-glued labels are supplied on a reel of release paper or film.
Wet Glue Labelling Machines They require no water to make the adhesive stick.
Machines which apply labels using a glue which is liquid at room temperature. By far the most popular form of label applicator they have
replaced many traditional uses of wet glue application. The
36 FOOD FOCUS THAILAND AUG 2018