Hurst Corporation PATENTED AND PROPRIETARY DESIGN TECHNOLOGY SINCE 1963

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'DL' SERIES LABEL REMOVING MACHINES

HURST patented ‘DL’ series pressure sensitive label delaminating machines provide a method for effectively removing labels and adhesive from syringes, plastic bottles, and aluminum canisters. HURST ‘DL’ machines employ HURST H-95 custom manufactured ultra sticky tape resiliently positioned juxtapose a labeled container. Containers may be hand positioned or automatically index wheel positioned. Adhesive pre-softening may be employed. [Download the PDF]

Hurst DL machines HURST 'DL' series label removing machines employ a custom made extreme high initial tack pressure sensitive tape to instantly bond to the top printed surface layer of a pressure sensitive label. HURST H-95 delaminating tapes feature a 2 mil flood coated adhesive (PSTC test #1 rating: 95) on a tough poly-ester film carrier. All roll widths are available.

When applied to a 3-layer paper pressure sensitive label, HURST H-95 delaminating tape removes the top printed label layer leaving a thin skin of the labels middle pulp layer and the entire bottom adhesive layer. All residues are assimilated into the bottom adhesive layer of a secondary label (normally a slightly larger, wrap-around, overlapping label). No trace of the original label is evident after relabeling.

When applied to a 2-layer film type label (PVC, PP, Mylar, etc.), HURST H-95 delaminating tape removes both the top printed layer and the bottom adhesive layer as an integral unit.

HURST ‘DL’ series label removing machine capabilities are dependent on several factors: surface coating of the top printed label layer, bonding properties of the middle pulp layer, and bottom layer adhesive properties.

HURST ‘DL’ machines are custom built and may employ various levels of automatic operation to meet individual applications.


CASE STUDY: LABEL & ADHESIVE REMOVAL FROM LEAD LINED PLASTIC CANISTERS

HURST CORPORATION patented label delaminating system employs a reel-to-reel type sticky tape dispenser and a specially developed ultra sticky adhesive tape comprising a 2mil flood coated extreme high initial tack adhesive and a tough 1mil polyester backing. When applied to a 2-layer film type label (PVC, PP or Mylar, etc.) HURST delaminating tape removes both the top printed layer and the bottom adhesive layer as an integral unit. Using this technique, HURST was able to offer a lead-lined vial recycling system to a major radioactive pharmaceutical manufacturer. All lead-lined vials were formerly single use only. Savings were extremely significant. [Download the CASE STUDY - PDF]

Label removal tests were conducted to remove bi-oriented polypropylene labels with permanent type acrylic pressure sensitive adhesive. Adhesive set time: 96 hours.

Vial Description: Thallous Chloride

Vial Description: Thallous Chloride
Size: 1.875” diameter x 2.75” overall
Plastic surface: blue matte
Pre-heat surface only: 145° F
Label: 1.5” x 3” die cut polypropylene
Removal tape: Hurst H-95

Full label removal: yes
Adhesive residue: trace

Vial Description: Sodium Iodide

Vial Description: Sodium Iodide
Size: 1.1875” diameter x 2.5625”
Plastic surface: white gloss
Pre-heat surface only: 145° F
Label: 1.5” x 3” die cut polypropylene
Removal tape: Hurst H-95

Full label removal: yes
Adhesive residue: minimal trace

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