Inspection process

Abstract

An inspection process including the steps of: providing at least one specimen to an inspection apparatus; identifying the at least one specimen; inspecting the at least one specimen; assigning a first assessment to the at least one specimen based on the result of the inspection; saving the identification feature together with the inspection data and a first assessment to a raw data storage as a data package; providing the processed data storage to an inspector; assigning the second assessment to the data space of the processed data package; sorting the at least one specimen based on the first or second assessment.

Claims

1. An inspection process comprising the steps of: providing at least one container to be inspected to an automated inspection apparatus; identifying the at least one container by an identification feature via the automated inspection apparatus; transmitting the identification feature of the at least one container to a control system; inspecting a material comprising the at least one container or contents of the at least one container by the automated inspection apparatus for defects in the material or the contents of the at least one container and creating, by only the automated inspection apparatus based only on an inspection resulting from the inspecting, inspection data (i) from the result of the inspection and (ii) that is different from the identification feature; assigning the inspection data to the at least one container; assessing the inspection data and assigning a first assessment to the at least one container based on the result of the assessing that is different from the identification feature and the inspection data; saving the identification feature, the inspection data and the first assessment to a raw data storage as a data package; sorting the at least one container, with a sorting unit having at least three alternative outlets at a single location, to (i) a pass path via a first outlet of the at least three alternative outlets if the first assessment meets first predefined criteria, (ii) a reject path via a second outlet of the at least three alternative outlets if the first assessment meets second predefined criteria or (iii) a retest path via a third outlet of the at least three alternative outlets if the first assessment meets third predefined criteria; processing the data package in preparation of a virtual inspection by an inspector; providing a processed data package resulting from the processing with a data space for a second assessment based on a second inspection of the at least one container that is separate from a first inspection of the at least one container; saving the processed data package to a processed data storage; providing the processed data storage to the inspector; assigning the second assessment to the data space of the processed data package; saving the processed data package together with the second assessment to a result data storage; and sorting the at least one container based on the second assessment to one of another pass path, another reject path and a further path, wherein: the first predefined criteria is met when the material or the contents do not have any of the defects; the second predefined criteria is met when the material or the contents clearly have one or more of the defects; the at least one container, if in the pass path, is cleared for further use; and the at least one container, if in the reject path, is precluded from further use.

2. The process according to claim 1, wherein the first assessment and/or the second assessment comprises a classification.

3. The process according to claim 1, wherein the identifying is done by detecting a provided identification feature, as the identification feature, on the at least one container and/or by applying the identification feature to the at least one container.

4. The process according to claim 3, wherein the identification feature is selected from the group comprising alphanumeric code, matrix code, bar code, Inkjet coding, laser coding, and electronic coding on a chip.

5. The process according to claim 4, wherein the identification feature is the electronic coding on the chip, and the chip comprises the raw data storage, the processed data storage and the result data storage.

6. The process according to claim 1, wherein the inspecting comprises the steps of: taking a picture of the at least one container; and assessing the taken picture based on predefined criteria.

7. The process according to claim 6, wherein the processing comprises the steps of: identifying critical areas of the at least one container based on the taken picture and the predefined criteria; and emphasizing the critical areas in the taken picture.

8. The process according to claim 7, wherein the emphasizing is done by enlarging the critical areas and/or by increasing the contrast of the critical areas and/or by applying a color filter to the critical areas.

9. An inspection system for carrying out the inspection process of claim 1, the inspection system comprising the automated inspection apparatus that includes: at least one reading and/or marking unit configured to identify the at least one container; and an inspection unit configured to inspect the at least one container for the defects and create the inspection data, the control system, the sorting unit having the at least three alternative outlets, the raw data storage for storing the data package comprising the identification feature, the inspection data and the first assessment, a processor for processing the data package, the processed data storage for storing the processed data package, a virtual inspection station with a workspace for the inspector, who assigns the second assessment to the processed data package, and the result data storage for storing the processed data package and the second assessment.

10. The process according to claim 1, wherein the creating inspection data by inspecting the at least one container for defects includes at least one of (i) inspecting the at least one container for an unwanted particle inside of the at least one container, (ii) inspecting the at least one container for an unwanted inclusion in the at least one container, and (iii) inspecting the at least one container for a cosmetic defect.

11. The process according to claim 1, further comprising the step of re-inspecting the at least one container sorted into the retest path by the automated inspection apparatus or a second automated inspection apparatus.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) Embodiments of the current invention are described in more detail in the following with reference to the figures. These are for illustrative purposes only and are not to be construed as limiting. It shows

(2) FIG. 1 a schematic depiction of a first inspection apparatus according to the invention;

(3) FIG. 2 a schematic depiction of the virtual inspection according to the invention; and

(4) FIG. 3 a schematic depiction of a second inspection apparatus according to the invention.

DETAILED DESCRIPTION OF THE INVENTION

(5) FIG. 1 shows a schematic depiction of a first inspection apparatus 3 according to the invention. The first inspection apparatus 3 comprising an inlet 2 for providing uninspected specimen 1, in the depicted case containers 1 to a reading/marking unit 4, where the specimen 1 can be identified, for example by detecting an identification feature on the container or by applying an identification feature to the container. The identification feature is transmitted to a control system 5. From the reading/marking unit 4, the still untested containers 1 are transported to an inspection 6, where the specimen 1 are inspected by an automatic visual inspection (AVI). The inspection is carried out by taking an optical picture of the container 1, assigning the inspection data in the form of the taken picture to the respective container 1 and by comparing the taken picture with predefined criteria. Based on this comparison, a first assessment is made, and its result is assigned to the respective container 1. In the depicted case the first assessment comprises pass, reject and retest. The identification feature together with the inspection data and a first assessment are saved to, respectively stored in a raw data storage 15 as a data package. The first inspection apparatus 3 further comprises a sorting unit 8, which sorts the containers 1 (i.e., inspected specimen 7) based on the result of the inspection, i.e. based on the first assessment. The containers that received the assignment pass (i.e., pass specimen 12) will be guided to the pass path 9 and the containers that received the assignment reject (i.e., reject specimen 13) will be guided to the reject path 10. Only the containers on the pass path 9 meet the predefined requirements and are allowed for further use. The rejected containers will be excluded from further use. The container that received the assignment retest (i.e., retest specimen 14) will be guided to the retest path 11. From there, they will be conveyed to a retest area or they will be temporarily stored before they are transported to a retest area. It would also be possible to guide all containers to the same path and do the sorting at a later stage. This is possible, as each container has an individual identification feature and each individual assessment has been assigned to its container. The reading/marking unit 4, the inspection 6, the sorting unit 8, the raw data storage 15, the conveying of the containers 1 at the inlet 2 and within the first inspection apparatus 3, as well as the conveying of the pass path 9, the reject pass 10 and the retest path 11 are operatively connected to the control system 5. The operative connection can be cable-based or wireless.

(6) FIG. 2 shows a schematic depiction of the virtual inspection according to the invention. The virtual inspection can be performed remote from the first inspection apparatus 3. The raw data storage 15, respectively the data saved on the raw data storage 15 needs to be provided to the virtual inspection. To emphasize this, the raw data storage has been given a new reference number, i.e. 35. A processor 36 extracts relevant information from the data packages contained on the raw data storage 35. The existing information can be depicted differently, or additional information can be added. The goal of the processing is to provide the inspector with optimized date for him to analyze. The processed data, i.e. the processed data package is subsequently saved to a processed data storage 37. The processed data storage 37 can be identical to the raw data storage 35. The processing and saving, respective storing can be done at the first inspection apparatus 3, controlled by the control system 5 or it can be done remote from the first inspection apparatus 3. Each processed date is inspected and assessed individually in an inspection 38 by a human inspector 40. The inspector assigns a second assessment to each processed data package. The second assessment can be pass, reject or other, wherein other can also be retest or use for training. The second assessment, together with the data processed data package are saved to a result data storage 39. The result data storage 39 can be identical with the processed data storage 37, respectively with the raw data storage 35. The reading and saving of the data package can be done by a computer, such as a desktop, a laptop, a tablet, a smart phone or the like.

(7) FIG. 3 shows a schematic depiction of a second inspection apparatus 62 according to the invention. The retested specimen 60 are provided to the second inspection apparatus 62 by the inlet 61. A reading unit 63 is arranged in the second inspection apparatus 62 adjacent to the inlet 61. The data from the reading unit 63 is transmitted to a control system 64, allowing the identification of each container 60. The control system 64 causes a sorting unit 65, which is arranged after the reading unit 63 in the conveying direction, to sort the containers 60 according to the second assessment assigned to each container. The control system 64 obtains the second assessment from the result data storage 69. Again, to emphasize the independency of the virtual inspection and the second inspection apparatus 62, the result data storage 39 from FIG. 2 has been given a new reference number, namely 69. Based on the second assessment, the containers are sorted to the pass path 66, the reject path 67 or the further path 68. The further path can be another retest path. It is possible that the second inspection apparatus 62 is identical to the first inspection apparatus 3. The reading unit 63, the sorting unit 65, the result data storage 69, the conveying of the containers 60 at the inlet 61 and within the second inspection apparatus 62, as well as the conveying of the pass path 66, the reject pass 67 and the further path 68 are operatively connected to the control system 64. The operative connection can be cable-based or wireless.

REFERENCE SIGNS LIST

(8) 1 Specimen 2 Inlet 3 first inspection apparatus 4 Reading/marking unit 5 Control 6 Inspection 7 inspected specimen 8 Sorting unit 9 Pass path 10 Reject path 11 Retest path 12 Pass specimen 13 Reject specimen 14 Retest specimen 15 Raw data storage 35 Raw data storage 36 Processor 37 Processed data storage 38 Virtual inspection 39 Result data storage 40 Inspector 60 Retest specimen 61 Inlet 62 second inspection apparatus 63 Reading unit 64 Control 65 Sorting unit 66 Pass path 67 Reject path 68 Further path 69 Result data storage