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Methods and apparatus for punching through egg shells with reduced force

A technology of eggshell and punch, which is applied in poultry industry, medical science, animal delivery, etc. It can solve the problems of hard to take out eggs and stuck eggs, and achieve the effect of cost saving, low cost and light weight

Inactive Publication Date: 2007-07-04
ZOETIS SERVICE LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This bending and / or twisting of the egg flat can be superimposed on the deformation of the support tabs so that when the stamping force is removed from the egg flat, the tabs can catch the egg, making it difficult to remove the egg from the egg flat.

Method used

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  • Methods and apparatus for punching through egg shells with reduced force
  • Methods and apparatus for punching through egg shells with reduced force
  • Methods and apparatus for punching through egg shells with reduced force

Examples

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Embodiment Construction

[0028] The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. The present invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein; these embodiments are presented for completeness of disclosure, and will more fully cover the scope of the invention to those skilled in the art. Similar numbers represent similar components in the various figures.

[0029] Methods and apparatus according to embodiments of the present invention may be used with any type of poultry eggs including, but not limited to, chickens, turkeys, ducks, geese, quails, ostriches, emus, young pigeons, captive hens, and wild eggs . Furthermore, methods and apparatus according to embodiments of the present invention can be used to stamp eggshells at any time during embryonic development (or referred to as hatching). Embodiments of the ...

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PUM

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Abstract

Methods and apparatus for forming an opening in a shell of an avian egg such that the potential for cracking is greatly reduced are provided and comprise moving a punch (26) through an egg shell (20) at speeds equal to or greater than thirty inches per second. Punches may be driven via various devices including gravity-assisted devices (40), spring-assisted devices (50), solenoid-assisted devices (60), and fluid-assisted (e.g., compressed air, compressed nitrogen, liquid, etc.) devices (70). The shell of an egg (20) may be pierced without causing cracking by hurling one or more small projectiles (80) at the egg shell (20) at speeds in excess of thirty inches per second. A punch (26) may be mounted on a piezoelectric actuator (90) configured to vibrate at frequencies in a range of between about 1,000 Hz and about 100,000 Hz. These frequencies effectively cause a punch (26) to move at speeds in excess of thirty inches per second.

Description

technical field [0001] This invention relates generally to eggs and, in particular, to methods for processing eggs. Background technique [0002] Injection of various substances into avian eggs has been used to reduce post-egg mortality, increase growth rate or final size of chicks, and even affect embryo sex determination. Similarly, the injection of antigens into live eggs has been used to incubate various substances in human or animal medical or diagnostic vaccines. Substances that have been or are intended to be used in egg injections include vaccines, antibiotics, and vitamins. In addition, extraction of material from poultry eggs has also been used for various purposes, such as testing and vaccine harvesting. Examples of egg treatment substances and egg injection methods are described in U.S. Patent No. 4,458,630 to Sharma et al., U.S. Patent No. 5,028,421 to Fredericksen et al., and U.S. Patent Nos. 6,032,612 and 6,286,455 to Williams, which The content of the pate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K45/00A61D19/00
CPCA01K45/007
Inventor J·H·赫布兰克
Owner ZOETIS SERVICE LLC
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