# US 2014/0193618 A1 · Method and apparatus for accurate registration of composite laminates

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- Number: US 2014/0193618 A1
- Document ID: US20140193618A1
- Status: Published application
- Kind: A1
- Application number: 13/734,082
- Filed: 2013-01-04
- Published: 2014-07-10
- Earliest claimed: 2013-01-04
- Assignees: The Boeing Company
- Inventors: Paul E. Nelson; Mark Boberg
- Web page: https://patentgrep.com/patent/US20140193618A1

## CPC

- B29C 70/30: Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C 70/543: {Fixing the position or configuration of fibrous reinforcements before or during moulding (for non-woven fabrics D04H3/08)}
- B32B 41/00: Arrangements for controlling or monitoring lamination processes; Safety arrangements
- Y02T 50/40: Weight reduction
- Y10T 29/49622: Vehicular structural member making
- Y10T 29/49764: with testing or indicating
- Y10T 29/49771: Quantitative measuring or gauging
- Y10T 29/49773: by radioactive tracing
- Y10T 29/49826: Assembling or joining
- Y10T 29/53039: with control means energized in response to activator stimulated by condition sensor
- Y10T 29/53052: including position sensor
- Y10T 29/53091: for work-holder for assembly or disassembly
- Y10T 428/24802: Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T 428/24917: including metal layer
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

Methods, systems and apparatuses for dimensionally registering composite laminates are disclosed, wherein readable elements acting as alignment and identification features are incorporated integrally in laminates.

## Claims

### Claim 1

A method for orienting a laminate comprising the steps of:
providing an uncured laminate material;
providing at least one readable element;
implanting the readable element into the uncured laminate;
providing a laminate processing apparatus comprising a readable element detector;
directing the laminate comprising the implanted readable element to the laminate processing apparatus;
detecting the readable element; and
positioning the laminate to a desired position relative to the readable element.

### Claim 2 (depends on 1)

The method of claim 1, further comprising the step of curing the laminate after the step of positioning the laminate to a desired position relative to the readable element.

### Claim 3 (depends on 1)

The method of claim 1, wherein the readable element is made from a material selected from the group consisting of: metal-containing material, organometallic-containing material, radioactive-containing material, and combinations thereof.

### Claim 4 (depends on 1)

The method of claim 1, wherein the readable element is detected by a detector selected from the group consisting of: proximity sensors, ultrasonic sensors, thermal imaging sensors, x-ray sensors, eddy current sensors, and combinations thereof.

### Claim 5 (depends on 1)

The method of claim 1, wherein the readable element uniquely identifies the laminate.

### Claim 6 (depends on 1)

The method of claim 1, wherein a plurality of readable elements uniquely identifies the laminate.

### Claim 7 (depends on 1)

The method of claim 1, wherein the laminate processing apparatus is selected from the group consisting of: a lay-up mandrel, a cure mandrel, and an inspection apparatus.

### Claim 8

A method for forming a finished laminate comprising the steps of:
providing a laminate material to a lamination head;
providing at least one readable element;
implanting the readable element into the laminate material;
providing a layment forming apparatus comprising a readable element detector;
providing the laminate comprising the readable element to the layment forming apparatus,
detecting the readable element and precisely positioning the laminate on the layment forming apparatus to form a layment;
removing the layment from the layment forming apparatus;
providing a curing apparatus comprising a readable element detector;
directing the layment to the curing apparatus;
detecting the readable element and precisely positioning the layment on the curing apparatus; and
curing the layment to form a finished laminate.

### Claim 9 (depends on 8)

The method of claim 8, wherein the readable element is made from a material selected from the group consisting of: metal-containing material, organometallic-containing material, radioactive-containing material, and combinations thereof.

### Claim 10 (depends on 8)

The method of claim 8, wherein the readable element is detected by a detector selected from the group consisting of: proximity sensors, ultrasonic sensors, thermal imaging sensors, x-ray sensors, eddy current sensors, and combinations thereof.

### Claim 11 (depends on 8)

The method of claim 8, wherein the readable element uniquely identifies the laminate.

### Claim 12

A laminate comprising:
at least one readable element implanted into the laminate, said readable element able to be detected by a detector to facilitate precise positioning.

### Claim 13 (depends on 12)

The laminate of claim 12, wherein the readable element is made from a material selected from the group consisting of: metal-containing material, organometallic-containing material, radioactive-containing material, and combinations thereof.

### Claim 14 (depends on 12)

The laminate of claim 12, wherein the detector is selected from the group consisting of: proximity sensors, ultrasonic sensors, thermal imaging sensors, x-ray sensors, eddy current sensors, and combinations thereof.

### Claim 15 (depends on 12)

The laminate of claim 12, wherein the readable element uniquely identifies the laminate.

### Claim 16 (depends on 12)

The laminate of claim 12, wherein a plurality of readable elements uniquely identifies the laminate.

### Claim 17 (depends on 12)

A structure comprising the laminate of claim 12.

### Claim 18 (depends on 12)

A vehicle comprising the laminate of claim 12.

### Claim 19 (depends on 12)

An aircraft comprising the laminate of claim 12.

### Claim 20

An apparatus for orienting and identifying a laminate comprising:
a means for preparing an uncured laminate material on a mandrel;
a means for implanting at least one readable element into the uncured laminate material;
a detector for detecting the readable element, said detecting means capable of sending a signal; and
a positioning means for directing the laminate comprising the implanted readable element to a preselected location relative to the readable element, said positioning means capable of receiving a signal.
