Method and systems for in-mold labeling of irregularly shaped products

• US 7,005,094 B2
• Filed: 11/04/2002
• Issued: 02/28/2006
• Est. Priority Date: 11/04/2002
• Status: Expired due to Fees

• Current Assignee: Neil C. Jack
• Original Assignee: Neil C. Jack
• Inventors: Jack, Neil C.
• Primary Examiner(s): Lechert, Jr., Stephen J.
• Application Number:
  US10/287,747
• Publication Number:
  US 20040083918A1
• Time in Patent Office: 1,212 Days
• Field of Search: 264/297.2, 264/259, 264/239, 264/135, 264/134, 264/132, 264/129
• US Class Current: 264/129
• CPC Class Codes: B29C 2045/14106 using electrostatic attraction or static electricity
• CPC Class Codes: B29C 2045/14122 using fixed mould wall projections for centering the insert
• CPC Class Codes: B29C 2045/14737 decorations printed on the insert by a digital imaging technique
• CPC Class Codes: B29C 2045/14918 in-mould-labelling
• CPC Class Codes: B29C 33/3835 Designing moulds, e.g. using CAD-CAM
• CPC Class Codes: B29C 45/14065 Positioning or centering articles in the mould
• CPC Class Codes: B29C 45/14688 Coating articles provided with a decoration

Abstract

The present invention provides a method for use in forming an irregularly shaped part using in-mold labeling which includes receiving at least one of text and image information at a first computing unit. A mold is formed using a mold cutter controlled by a second computing unit based on the at least one of text information and image information. The mold has a cavity, an interior surface, and at least one aligning characteristic on the interior surface. A label is printed based on the at least one of text information and image information to provide the at least one decoration. The label is cut from a sheet of paper using a label cutter controlled by a third computing unit based on the at least one of text information and image information. The label is inserted into the cavity and aligned with the at least one aligning characteristic and moldable material is inserted into the mold to form the part and the label integral to each other.

Claims

1. A method for use in in-mold labeling to form an irregularly shaped part, the method comprising:

receiving at least one of text information and image information at a first computing unit;

forming a mold using a mold cutter controlled by a second computing unit based on the at least one of text information and image information, the mold having a cavity, an interior surface, and at least one aligning characteristic on the interior surface;

printing a label based on the at the least one of text information and image information for providing the at least one decoration;

cutting the label from a sheet of paper using a label cutter controlled by a third computing unit based on the at least one of text information and image information;

inserting the label into the cavity and aligning the label with the at least one aligning characteristic; and

inserting moldable material into the mold to form the part and the label integral to each other.

2. The method of claim 1 wherein the forming a mold comprises forming the at least one aligning characteristic on the interior surface of the mold based on the at least one of text information and image information.

3. The method of claim 1 wherein the inserting the moldable material comprises injecting the moldable material into the mold through a fan gate in the mold.

4. The method of claim 1 wherein the at least one aligning characteristic comprises a least one of vertical, horizontal, and depth coordinates, and the aligning comprises aligning the label with the at least one of vertical, horizontal, and depth coordinates.

5. The method of claim 1 wherein the at least one aligning characteristic comprises an aligning shape and the aligning comprises aligning the label with the aligning shape.

6. The method of claim 1 wherein the at least one aligning characteristic comprises at least one of a projection and a recess on the interior surface of the mold and the aligning comprises aligning the label to correspond to the shape of the at least one of a projection and a recess and attaching the label to the at least one of a projection and a recess.

7. The method of claim 6 wherein the at least one of a projection and a recess defines at least one of an embossed portion and a recessed portion of the part.

8. The method of claim 1 wherein the at least one aligning characteristic comprises an outer perimeter of at least one of a recess and a projection on the interior surface of the mold.

9. The method of claim 1 wherein the characteristic comprises an outer perimeter of the part.

10. The method of claim 1 wherein the aligning the label further comprises attaching the label to a portion of the interior surface by applying water to at least one of the label and the portion of the interior surface to cause the attaching.

11. The method of claim 1 wherein the aligning the label comprises attaching the label to a portion of the interior surface by applying an electrostatic charge to at least one of the label and the portion of the interior surface to cause the attaching.

12. The method of claim 1 wherein the aligning the label further comprises attaching a label to a portion of the interior surface by frictionally fitting the label to the at least one aligning characteristic to cause the attaching.

13. The method of claim 1 wherein the image information comprises at least one of shape information and profile information relating to at least one of the part and the label.

14. The method of claim 1 wherein the cutting comprises cutting an outer perimeter shape of the label from the sheet of paper.

15. The method of claim 1 wherein the image information comprises a digital image file and the printing the label comprises printing the label on a synthetic paper using a digital printer based on the image information.

16. The method of claim 1 further comprising providing a protective covering to the label.

17. The method of claim 1 wherein the inserting and the aligning comprise inserting and aligning the label using a computer controlled inserting mechanism.

18. The method of claim 1 wherein the first computing unit, the second computing unit, and the third computing unit comprise the same computing unit.